etcd: fix embbeded etcd connection cfg

channeldb/kvdb/etcd/embed.go

@@ -98,7 +98,7 @@ func NewEmbeddedEtcdInstance(path string, clientPort, peerPort uint16) (
 	}
 
 	connConfig := &Config{
-		Host:               "http://" + peerURL,
+		Host:               "http://" + clientURL,
 		User:               "user",
 		Pass:               "pass",
 		InsecureSkipVerify: true,