fix pid problem in vernemq.sh

bin/vernemq.sh

@@ -121,7 +121,7 @@ siguser1_handler() {
 
 # SIGTERM-handler
 sigterm_handler() {
-    echo "Stopping VerneMQ Pod..."
+    echo "Stopping VerneMQ Pod... VerneMQ@${IP_ADDRESS} "
     if [ $pid -ne 0 ]; then
         echo "Leaving cluster..."
         # this will stop the VerneMQ process