Use ruthenium.eqiad.wmnet, .wikimedia.org won't work

Follow-up to https://gerrit.wikimedia.org/r/#/c/117472/

Change-Id: I13e47ea3dc3bde49e7151e16780d042a0c1a4cfa
Merge "Use ruthenium.eqiad.wmnet, .wikimedia.org won't work" into production