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k8s集群coredns启动异常

  • 环境
ubuntu 20.4.3
  • 报错内容
Events:
Type     Reason                  Age   From               Message
----     ------                  ----  ----               -------
Normal   Scheduled               15s   default-scheduler  Successfully assigned kube-system/coredns-58c86fb885-2l6vh to db-storagea
Warning  FailedCreatePodSandBox  14s   kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = [failed to set up sandbox container "1bcad3baf705a2989a902e9d36536e161b4acacd4225ca3bcb52700e363869ea" network for pod "coredns-58c86fb885-2l6vh": networkPlugin cni failed to set up pod "coredns-58c86fb885-2l6vh_kube-system" network: error getting ClusterInformation: connection is unauthorized: Unauthorized, failed to clean up sandbox container "1bcad3baf705a2989a902e9d36536e161b4acacd4225ca3bcb52700e363869ea" network for pod "coredns-58c86fb885-2l6vh": networkPlugin cni failed to teardown pod "coredns-58c86fb885-2l6vh_kube-system" network: error getting ClusterInformation: connection is unauthorized: Unauthorized]
Normal   SandboxChanged          13s   kubelet            Pod sandbox changed, it will be killed and re-created.

重启还是这样,找不到头绪,在此求助,希望有人知道咋回事。

回答

看下 vim /etc/resolv.conf里dns指向不要写自己的地址。改成114.114.114.114

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