$ kubectl describe pod coredns-576cbf47c7-v8v5v -n kube-system
...
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning NetworkNotReady 60s (x5367 over 19h) kubelet, efk-node01 network is not ready: [runtime network not ready: NetworkReady=false reason:NetworkPluginNotReady message:docker: network plugin is not ready: cni config uninitialized]
kube-flannel の状態
$ kubectl describe pod kube-flannel-ds-9xkm7 -n kube-system
..
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning FailedScheduling 5s (x13861 over 19h) default-scheduler 0/2 nodes are available: 1 node(s) didn't match node selector, 1 node(s) had taints that the pod didn't tolerate.
既存の v1.11 までの手順を実行しても、v1.12 では node のステータスが Ready にならない。
以下のように coredns と kube-flannel の Pods が有効にならない。
coredns の状態
kube-flannel の状態