etcd cluster is unavailable or misconfigured

[tangcong]

Warning Unhealthy 12m kubelet, minikube Readiness probe failed: 127.0.0.1:2379 is unhealthy: failed to connect: context deadline exceeded
Error: unhealthy cluster
Warning Unhealthy 6m kubelet, minikube Readiness probe failed:
Warning Unhealthy 6m (x6 over 2d) kubelet, minikube Liveness probe failed: 127.0.0.1:2379 is unhealthy: failed to commit proposal: context deadline exceeded
Error: unhealthy cluster
Warning Unhealthy 6m (x40 over 2d) kubelet, minikube Readiness probe failed: 127.0.0.1:2379 is unhealthy: failed to commit proposal: context deadline exceeded
Error: unhealthy cluster
Normal Killing 6m kubelet, minikube Killing container with id docker://etcd:Need to kill Pod
Normal SandboxChanged 6m kubelet, minikube Pod sandbox changed, it will be killed and re-created.
Normal Pulled 6m (x2 over 2d) kubelet, minikube Container image "busybox:1.28.0-glibc" already present on machine
Normal Created 6m (x2 over 2d) kubelet, minikube Created container
Normal Started 6m (x2 over 2d) kubelet, minikube Started container

[tangcong]

pod/example-etcd-cluster-5xqnd4g8sw 0/1 Completed 0 2d
pod/example-etcd-cluster-qh84d8tqhs 0/1 Completed 0 2d
pod/example-etcd-cluster-x9g9dgkwwq 0/1 Completed 0 2d