Add query for neutron bug 1256106

This has 30 hits in check and gate tempest-dsvm-neutron-pg-isolated in
the last week.

Change-Id: I4bb945cb7a96ce45374e52efbef66242dce20bc6
Related-Bug: #1256106
Add query for bug 1263032

Logstash says this occurs 3 times in the last 7 days.

Related-Bug: #1258682

Change-Id: I24e8b597a8e5e0c15c935c90698221d43147cdc8
Merge "Add query for neutron bug 1256106"