Update powerwall.sh

powerwall.sh

@@ -224,6 +224,7 @@ STOPALL_SERVICES(){
 }
 
 STOP_SERVICE(){
+	echo "stop: ${1}"
 	service_pid=`systemctl show --property MainPID --value ${POWERWALL_SERVICES[${1}]}`
 	/usr/bin/pkill -P $service_pid
 }