### Test report for 4081.3.10+nightly-20260907-2100 / amd64

**Platforms tested** : brightbox 

🟢 ok **cl.basic**; Succeeded: brightbox (1)

🟢 ok **cl.cloudinit.basic**; Succeeded: brightbox (1)

🟢 ok **cl.etcd-member.discovery**; Succeeded: brightbox (1)

🟢 ok **cl.flannel.udp**; Succeeded: brightbox (1)

🟢 ok **cl.flannel.vxlan**; Succeeded: brightbox (1)

🟢 ok **cl.ignition.kargs**; Succeeded: brightbox (1)

🟢 ok **cl.ignition.v2.btrfsroot**; Succeeded: brightbox (1)

🟢 ok **cl.install.cloudinit**; Succeeded: brightbox (1)

🟢 ok **cl.internet**; Succeeded: brightbox (1)

🟢 ok **cl.network.initramfs.second-boot**; Succeeded: brightbox (1)

🟢 ok **coreos.ignition.once**; Succeeded: brightbox (1)

🟢 ok **coreos.ignition.resource.local**; Succeeded: brightbox (1)

🟢 ok **coreos.ignition.resource.remote**; Succeeded: brightbox (1)

🟢 ok **coreos.ignition.security.tls**; Succeeded: brightbox (1)

🟢 ok **coreos.ignition.sethostname**; Succeeded: brightbox (1)

🟢 ok **coreos.ignition.ssh.key**; Succeeded: brightbox (1)

🟢 ok **docker.network-openbsd-nc**; Succeeded: brightbox (1)

🟢 ok **kubeadm.v1.35.1.calico.base**; Succeeded: brightbox (1)

❌ not ok **kubeadm.v1.35.1.calico.cgroupv1.base**; Failed: brightbox (1, 2, 3, 4, 5)

<details>

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 5</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:43:33.008171    2060 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:43:44.370021    2281 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 4</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:39:37.151338    2045 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:39:48.281404    2284 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 3</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:30:48.649868    2045 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:30:59.621283    2262 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 2</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:20:05.866826    2025 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:20:17.306002    2263 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 1</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 00:58:06.500683    2058 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 00:58:16.271596    2276 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```


</details>


🟢 ok **kubeadm.v1.35.1.cilium.base**; Succeeded: brightbox (1)

❌ not ok **kubeadm.v1.35.1.cilium.cgroupv1.base**; Failed: brightbox (1, 2, 3, 4, 5)

<details>

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 5</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:47:59.261424    2079 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:48:10.177194    2297 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 4</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:34:48.960427    2033 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:35:00.477557    2270 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 3</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:28:35.101098    2075 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:28:46.427444    2293 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 2</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:22:29.036970    2056 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:22:40.706995    2275 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 1</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:07:55.245044    2049 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:08:07.278633    2274 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```


</details>


🟢 ok **kubeadm.v1.35.1.flannel.base**; Succeeded: brightbox (1)

❌ not ok **kubeadm.v1.35.1.flannel.cgroupv1.base**; Failed: brightbox (1, 2, 3, 4, 5)

<details>

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 5</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:45:53.854799    2007 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:46:06.560228    2231 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 4</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:37:03.449549    2003 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:37:14.179302    2222 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 3</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:26:25.804957    2023 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:26:37.488095    2239 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 2</summary>

  ```
      L1: " Error: _kubeadm.go:197: unable to setup cluster: unable to create etcd node: mapping cloud IP to server: cloud_ip_mapping_failure: Cloud IP is already mapped_"
      L2: " "
  ```

<summary>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diagnostic output for brightbox, run 1</summary>

  ```
      L1: " Error: _cluster.go:125: I0908 01:00:10.347151    2032 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L2: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-apiserver:v1.35.8"
      L3: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-controller-manager:v1.35.8"
      L4: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-scheduler:v1.35.8"
      L5: "cluster.go:125: [config/images] Pulled registry.k8s.io/kube-proxy:v1.35.8"
      L6: "cluster.go:125: [config/images] Pulled registry.k8s.io/coredns/coredns:v1.13.1"
      L7: "cluster.go:125: [config/images] Pulled registry.k8s.io/pause:3.10.1"
      L8: "cluster.go:125: [config/images] Pulled registry.k8s.io/etcd:3.6.6-0"
      L9: "cluster.go:125: I0908 01:00:24.520281    2254 version.go:260] remote version is much newer: v1.37.0; falling back to: stable-1.35"
      L10: "cluster.go:125: [init] Using Kubernetes version: v1.35.8"
      L11: "cluster.go:125: [preflight] Running pre-flight checks"
      L12: "cluster.go:125:  [WARNING ContainerRuntimeVersion]: You must update your container runtime to a version that supports the CRI method RuntimeConfig. Falling back to using cgroupDriver from kubelet conf?ig will be removed in 1.36. For more information, see https://git.k8s.io/enhancements/keps/sig-node/4033-group-driver-detection-over-cri"
      L13: "cluster.go:125: [preflight] The system verification failed. Printing the output from the verification:"
      L14: "cluster.go:125: ?[0;37mKERNEL_VERSION?[0m: ?[0;32m6.6.156-flatcar?[0m"
      L15: "cluster.go:125: ?[0;37mCONFIG_NAMESPACES?[0m: ?[0;32menabled?[0m"
      L16: "cluster.go:125: ?[0;37mCONFIG_NET_NS?[0m: ?[0;32menabled?[0m"
      L17: "cluster.go:125: ?[0;37mCONFIG_PID_NS?[0m: ?[0;32menabled?[0m"
      L18: "cluster.go:125: ?[0;37mCONFIG_IPC_NS?[0m: ?[0;32menabled?[0m"
      L19: "cluster.go:125: ?[0;37mCONFIG_UTS_NS?[0m: ?[0;32menabled?[0m"
      L20: "cluster.go:125: ?[0;37mCONFIG_CPUSETS?[0m: ?[0;32menabled?[0m"
      L21: "cluster.go:125: ?[0;37mCONFIG_MEMCG?[0m: ?[0;32menabled?[0m"
      L22: "cluster.go:125: ?[0;37mCONFIG_INET?[0m: ?[0;32menabled?[0m"
      L23: "cluster.go:125: ?[0;37mCONFIG_EXT4_FS?[0m: ?[0;32menabled (as module)?[0m"
      L24: "cluster.go:125: ?[0;37mCONFIG_PROC_FS?[0m: ?[0;32menabled?[0m"
      L25: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_TARGET_REDIRECT?[0m: ?[0;32menabled (as module)?[0m"
      L26: "cluster.go:125: ?[0;37mCONFIG_NETFILTER_XT_MATCH_COMMENT?[0m: ?[0;32menabled (as module)?[0m"
      L27: "cluster.go:125: ?[0;37mCONFIG_FAIR_GROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L28: "cluster.go:125: ?[0;37mCONFIG_CGROUPS?[0m: ?[0;32menabled?[0m"
      L29: "cluster.go:125: ?[0;37mCONFIG_CGROUP_CPUACCT?[0m: ?[0;32menabled?[0m"
      L30: "cluster.go:125: ?[0;37mCONFIG_CGROUP_DEVICE?[0m: ?[0;32menabled?[0m"
      L31: "cluster.go:125: ?[0;37mCONFIG_CGROUP_FREEZER?[0m: ?[0;32menabled?[0m"
      L32: "cluster.go:125: ?[0;37mCONFIG_CGROUP_PIDS?[0m: ?[0;32menabled?[0m"
      L33: "cluster.go:125: ?[0;37mCONFIG_CGROUP_SCHED?[0m: ?[0;32menabled?[0m"
      L34: "cluster.go:125: ?[0;37mCONFIG_OVERLAY_FS?[0m: ?[0;32menabled (as module)?[0m"
      L35: "cluster.go:125: ?[0;37mCONFIG_AUFS_FS?[0m: ?[0;33mnot set - Required for aufs.?[0m"
      L36: "cluster.go:125: ?[0;37mCONFIG_BLK_DEV_DM?[0m: ?[0;32menabled (as module)?[0m"
      L37: "cluster.go:125: ?[0;37mCONFIG_CFS_BANDWIDTH?[0m: ?[0;32menabled?[0m"
      L38: "cluster.go:125: ?[0;37mCONFIG_SECCOMP?[0m: ?[0;32menabled?[0m"
      L39: "cluster.go:125: ?[0;37mCONFIG_SECCOMP_FILTER?[0m: ?[0;32menabled?[0m"
      L40: "cluster.go:125: ?[0;37mOS?[0m: ?[0;32mLinux?[0m"
      L41: "cluster.go:125: ?[0;37mCGROUPS_CPU?[0m: ?[0;32menabled?[0m"
      L42: "cluster.go:125: ?[0;37mCGROUPS_CPUACCT?[0m: ?[0;32menabled?[0m"
      L43: "cluster.go:125: ?[0;37mCGROUPS_CPUSET?[0m: ?[0;32menabled?[0m"
      L44: "cluster.go:125: ?[0;37mCGROUPS_DEVICES?[0m: ?[0;32menabled?[0m"
      L45: "cluster.go:125: ?[0;37mCGROUPS_FREEZER?[0m: ?[0;32menabled?[0m"
      L46: "cluster.go:125: ?[0;37mCGROUPS_MEMORY?[0m: ?[0;32menabled?[0m"
      L47: "cluster.go:125: ?[0;37mCGROUPS_PIDS?[0m: ?[0;32menabled?[0m"
      L48: "cluster.go:125: ?[0;37mCGROUPS_HUGETLB?[0m: ?[0;32menabled?[0m"
      L49: "cluster.go:125: ?[0;37mCGROUPS_BLKIO?[0m: ?[0;32menabled?[0m"
      L50: "cluster.go:125:  [WARNING Service-kubelet]: kubelet service is not enabled, please run _systemctl enable kubelet.service_"
      L51: "cluster.go:125: [preflight] Some fatal errors occurred:"
      L52: "cluster.go:125:  [ERROR SystemVerification]: cgroups v1 support is deprecated and will be removed in a future release. Please migrate to cgroups v2. To explicitly enable cgroups v1 support for kubelet? v1.35 or newer, you must set the kubelet configuration option _FailCgroupV1_ to _false_. You must also explicitly skip this validation. For more information, see https://git.k8s.io/enhancements/keps/?sig-node/5573-remove-cgroup-v1"
      L53: "cluster.go:125: [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`"
      L54: "cluster.go:125: error: error execution phase preflight: preflight checks failed"
      L55: "cluster.go:125: To see the stack trace of this error execute with --v=5 or higher"
      L56: "kubeadm.go:197: unable to setup cluster: unable to run master script: Process exited with status 1_"
      L57: " "
  ```


</details>


🟢 ok **kubeadm.v1.36.1.calico.base**; Succeeded: brightbox (1)

🟢 ok **kubeadm.v1.36.1.cilium.base**; Succeeded: brightbox (1)

🟢 ok **kubeadm.v1.36.1.flannel.base**; Succeeded: brightbox (1)

🟢 ok **kubeadm.v1.37.0.calico.base**; Succeeded: brightbox (1)

🟢 ok **kubeadm.v1.37.0.cilium.base**; Succeeded: brightbox (1)

🟢 ok **kubeadm.v1.37.0.flannel.base**; Succeeded: brightbox (1)

🟢 ok **linux.nfs.v3**; Succeeded: brightbox (1)

🟢 ok **linux.nfs.v4**; Succeeded: brightbox (1)
