Comment 5 for bug 1698355

Discussion on analyzing when it happened.
http://eavesdrop.openstack.org/irclogs/%23openstack-neutron/%23openstack-neutron.2017-06-16.log.html#t2017-06-16T14:49:52

According to logstash, the status of of gate-heat-dsvm-functional-convg-mysql-lbaasv2-py35-ubuntu-xenial
- The last success started 2017-06-15 06:38:32
- The first failure started 2017-06-15 09:09:14
- After that all heat py35 dsvm jobs failed.

A patch merged between these two time is:

commit c507656044fd6c19c1f3ead535772437f5a9cebc
Merge: 920c2f6 af52d49
Author: Jenkins <email address hidden>
Date: Thu Jun 15 07:37:38 2017 +0000

    Merge "Integrate Security Groups OVO"

The failure rate is 100%, so it is a suspect.