root@mth-k8setcd-04:~# etcdctl cluster-health
member 176b12e67b0a72e is healthy: got healthy result from https://mth-k8setcd-02:2379
member 4e6bc75c9fbc71ad is unhealthy: got unhealthy result from https://mth-k8setcd-04:2379
member a87ac672a3f8bf9d is healthy: got healthy result from https://mth-k8setcd-01:2379
member e1bd705c36a6d155 is unhealthy: got unhealthy result from https://mth-k8setcd-05:2379
member feedadabcf32035d is healthy: got healthy result from https://mth-k8setcd-03:2379
cluster is healthy