> service etcd stop ; rm -fr /var/lib/etcd/* ; vim /etc/default/etcd ; systemctl daemon-reload ; service etcd restart

> etcdctl member list
48ca69f515dfab05, started, etcd3, http://10.145.43.33:2380, http://10.145.43.33:2379, false
576d85c36663da50, started, etcd1, http://10.145.43.31:2380, http://10.145.43.31:2379, false
a7cd8d4ed3d24ea8, started, etcd2, http://10.145.43.32:2380, http://10.145.43.32:2379, false