cmd/ctrld: wait ctrld started during restart command

internal/router/service_ddwrt.go

@@ -271,7 +271,7 @@ case "$1" in
       echo "failed to stop $name"
       exit 1
     fi
-    exit 1
+    exit 0
   ;;
   restart)
     $0 stop

internal/router/service_merlin.go

@@ -304,7 +304,7 @@ case "$1" in
       logger -c "failed to stop $name"
       exit 1
     fi
-    exit 1
+    exit 0
   ;;
   restart)
     $0 stop

internal/router/service_tomato.go

@@ -227,7 +227,7 @@ start() {
 stop() {
   if ! is_running; then
     elog "$NAME is not running."
-    exit 1
+    exit 0
   fi
   elog "Shutting down $NAME Services: "
   kill -SIGTERM "$(get_pid)"