Updates .gitignore

Closes-Bug: #1255854

Change-Id: I22b6fa351dd5b654783f432c01785c706eff8397
Use fixed network for ssh when n-net is enabled

Server rebuild test has stability issues with n-net + floating ip.

Change-Id: I8a921fddbca49c8499938a25f9722ea40cee76cc
Merge "Updates .gitignore"
Merge "Use fixed network for ssh when n-net is enabled"