Comment 3 for bug 1785848

Reviewed: https://review.openstack.org/589573
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=bc2a4a4032ee22d7edd62f8a9f21ff14cfa3eccf
Submitter: Zuul
Branch: master

commit bc2a4a4032ee22d7edd62f8a9f21ff14cfa3eccf
Author: Brian Haley <email address hidden>
Date: Tue Aug 7 15:06:43 2018 -0400

    Correctly call is_distributed_router()

    A recent change to _notify_l3_agent_port_update() was
    making a call to is_distributed_router() via the l3plugin,
    but since that method lives in l3_dvr_db.py it was
    failing. This was not caught by the unit test since it
    was mocking the return value.

    Had to modify things to get the router first since the
    object is required for the check.

    Change-Id: I2289f882b692b375d1b40d7a50d206d72da66155
    Closes-bug: #1785848