我曾尝试在我的裸机服务器上使用 kubeadm 构建 kubernetes，并将 containerd 作为 cri，但安装 cni (weave-net) 后似乎 coredns 无法启动。
两个 coredns 容器现在处于“CrashLoopBackOff”状态，它们的日志为：
plugin/forward: no nameservers found
而“kubectl描述pod”的描述如下：
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning FailedScheduling 4m52s (x9 over 13m) default-scheduler 0/1 nodes are available: 1 node(s) had taint {node.kubernetes.io/not-ready: }, that the pod didn't tolerate.
Normal Scheduled 4m7s default-scheduler Successfully assigned kube-system/coredns-58cf647449-8pq7k to k8s
Normal Pulled 3m13s (x4 over 4m6s) kubelet Container image "localhost:5000/coredns:v1.8.4" already present on machine
Normal Created 3m13s (x4 …