编辑 1

作为对评论的回应，我提供了更多信息。

$ kubectl get pods --namespace kube-system
NAME                                                  READY   STATUS              RESTARTS   AGE
coredns-66bff467f8-lkwfn                              0/1     ContainerCreating   0          7m8s
coredns-66bff467f8-pcn6b                              0/1     ContainerCreating   0          7m8s
etcd-masternode                                       1/1     Running             0          7m16s
kube-apiserver-masternode                             1/1     Running             0          7m16s
kube-controller-manager-masternode                    1/1     Running             0          7m16s
kube-proxy-7zrjn                                      1/1     Running             0          7m8s
kube-scheduler-masternode                             1/1     Running             0          7m16s

更多 systemd 日志

...
Jun 16 16:18:59 masternode kubelet[6842]: E0616 16:18:59.313433    6842 remote_runtime.go:105] RunPodSandbox from runtime service failed: rpc error: code = Unknown desc = failed to create pod network sandbox …