> etcdctl --endpoints="http://10.145.43.31:2379,http://10.145.43.32:2379,http://10.145.43.33:2379" endpoint health
{"level":"warn","ts":"2026-05-08T13:30:39.78628+0200","caller":"clientv3/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0xc000279340/10.145.43.31:2379","attempt":0,"error":"rpc error: code = DeadlineExceeded desc = context deadline exceeded"}
http://10.145.43.32:2379 is healthy: successfully committed proposal: took = 6.664014ms
http://10.145.43.33:2379 is healthy: successfully committed proposal: took = 7.184567ms
http://10.145.43.31:2379 is unhealthy: failed to commit proposal: context deadline exceeded
Error: unhealthy cluster

> etcdctl member add etcd1 --peer-urls=http://10.145.43.31:2380
{"level":"warn","ts":"2026-05-08T13:33:25.070576+0200","caller":"clientv3/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0xc0003ae700/127.0.0.1:2379","attempt":0,"error":"rpc error: code = Unavailable desc = etcdserver: unhealthy cluster"}
Error: etcdserver: unhealthy cluster