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[OpenStack Infra <1718345@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/508808
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=32bfc3edeca935fc9c16b3019aa0af3091cd19e7
Submitter: Zuul
Branch:    master

commit 32bfc3edeca935fc9c16b3019aa0af3091cd19e7
Author: Swaminathan Vasudevan <SVasudevan@xxxxxxxx>
Date:   Sun Oct 1 23:27:29 2017 -0700

    DVR: Cleanup ml2 dvr portbindings on migration
    
    When a DVR router is migrated from distributed to
    centralized, we are unbinding the router from the
    agents, but the ml2 distributed portbindings for
    the router port still remains intact.
    
    This patch will fix the issue by deleting the
    binding entry for multiple hosts.
    
    Closes-Bug: #1718345
    Change-Id: If139790eb336ff13b07b094151946af30322ad3e


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1718345

Title:
  ml2_distributed_port_bindings not cleared after migration from DVR

Status in neutron:
  Fix Released

Bug description:
  When a router is migrated from DVR to HA/legacy, router interface
  bindings in ml2_distributed_port_bindings table not cleared and still
  exist after the migration.

  Also when a DVR router is removed from a agent, still it's entry for
  that agent existins in ml2_distributed_port_bindings.

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