Updated openstack/openstack
Project: openstack/neutron  ce7e53e5b50fb14c3b0afab78f89f2a1518ea795
null
OFAgent: Avoid re-wiring ports unnecessarily

Port the following patch to OFAgent.
commit: a9050757d94009c68f06c9f374de33eefbf06aa9
https://review.openstack.org/#/c/63558/

Partial-Bug: 1293265

Change-Id: I35d58bad104b01136c2502c933475ac85a3752a5