root@mth-k8stestetcd-01:~# etcdctl cluster-health
member 2a337e2b67b45991 is healthy: got healthy result from https://mth-k8stestetcd-01.aws-us-east-1:2379
member 2fd075fbec2e2ab9 is healthy: got healthy result from https://mth-k8stestetcd-02.aws-us-east-1:2379
member 8978d75ba24b352d is healthy: got healthy result from https://mth-k8stestetcd-04.aws-us-east-1:2379
member fd9d260cab7a11dc is unreachable: no available published client urls
cluster is healthy