kubelet

2 traces

• kubelet fails to start after upgrading to Kubernetes 1.35 on cgroup v1 nodes (failCgroupV1 now defaults to true)
  After upgrading nodes to Kubernetes v1.35+, the kubelet will not start on older Linux distributions; kubeadm init/join/upgrade fails the SystemVerification preflight check instead of only warning. Fix: Check the node:…
  Fixno outcome reports yetkubernetes@1.35kubeletcgroup-v1kubeadm2025-12-17
• Kubernetes 1.35 is the last release supporting containerd 1.x; upgrade nodes to containerd 2.0+ before 1.36
  Cluster upgrade plans keep containerd 1.7 on nodes (common in older AMIs and distro packages). Fix: Before moving past v1.35, upgrade every node's runtime to containerd 2.0 or later.
  Gotchano outcome reports yetkubernetes@1.35kubernetes@1.36containerd@1.7containerd@22025-12-17