Comment 2 for bug 1255183

Reviewed: https://review.openstack.org/58597
Committed: http://github.com/openstack/neutron/commit/121189401a97e5f471a287c453d7f2013c92477a
Submitter: Jenkins
Branch: master

commit 121189401a97e5f471a287c453d7f2013c92477a
Author: Salvatore Orlando <email address hidden>
Date: Tue Nov 26 09:53:49 2013 -0800

    Rebind security groups only when they're updated

    Update the security port bindings for a port only when they actually
    differ from the stored value.

    This will also avoid sending port_update notifications to the agent
    even if nothing actually changes in the port configuration.

    Closes-Bug: #1255183
    Partial blueprint: neutron-tempest-parallel

    Change-Id: I00c29dc97c46478433fdf08069a884bb78e5cd0a