coredns访问证书错误

kubectl describe pod -n kube-system coredns-757569d647-qj8ts 日志：
Failed to create pod sandbox: rpc error: code = Unknown desc = [failed to set up sandbox container "b7ea16c5b21e06069d1418b322e04bd2da482acdf21f863f47c96a80c551eab5" network for pod "coredns-757569d647-qj8ts": networkPlugin cni failed to set up pod "coredns-757569d647-qj8ts_kube-system" network: error getting ClusterInformation: Get https://[10

coredns访问证书错误最先出现在Python成神之路。