Fixed onos-patch-vm script.

@@ -15,6 +15,8 @@ name=${2:-onos-1}
 
 ssh $remote "
     sudo perl -pi.bak -e \"s/127.0.1.1.*/127.0.1.1       $name/g\" /etc/hosts
-    sudo echo $name /etc/hostname
+    sudo perl -pi.bak -e \"s/.*/$name/g\" /etc/hostname
     sudo hostname $name
-"
\ No newline at end of file
+" 2>/dev/null
+
+echo "$address: $(ssh $remote hostname)"