Add query for grenade ssh protocol banner bug 1349617

This query is ugly, but it's checking on the ssh protocol
banner failure and the end of the retry loop to catch the
failures.  It's ugly, but it's 100% fail and mainly on
grenade jobs (with an ironic job sprinkled in), check and
gate, 28 hits in 7 days.

Change-Id: I241d1a0b1877fee8d9f5c774f70b6e880d2126fb
Related-Bug: #1349617
Merge "Add query for grenade ssh protocol banner bug 1349617"