Pinging master node one port 8000

This reverts commit 34e02dc98e7148afd18235f708ad2294cae99361.

Change-Id: Id43d4d58e4d1b4214a2b831ffe9d34f47365e790
(cherry picked from commit 6e3198690b123633dcfb9bbd167e786fe6d79890)