Updated openstack/openstack
Project: openstack/neutron  33fdb8442a56f376c1f534971afd8b0746337614

Stop exception log in Big Switch unit tests

Reduce unit test log sizes by removing stack trace
exception logging in Big Switch unit tests.

Closes-Bug: #1370898
Change-Id: Id808edb5db567db31b6c1366e20948683f20118a