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[OpenStack Infra <1838449@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/691498
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=48ea7da6c52ee14f0e9cc244fbc834283a8e74a7
Submitter: Zuul
Branch:    master

commit 48ea7da6c52ee14f0e9cc244fbc834283a8e74a7
Author: Miguel Lavalle <miguel.lavalle@xxxxxxxxxxxxxxxx>
Date:   Sat Oct 26 18:43:56 2019 -0500

    Router synch shouldn't return unrelated routers
    
    [0] introduced the concept of connected routers: routers that are
    connected to the same subnets. When a L3 agent is synching a router
    with connected routers, the data of the entire set should be returned
    to the agent by the Neutron server.
    
    However, if an agent tries to synch a router with
    no connected routers when the same agent has other routers that are
    connected among them, the Neutron server returns the former and the
    latter. For details of how this bug can manifest itself, please see [1].
    
    This change prevents this situation: only the synched router is
    returned.
    
    [0] https://review.opendev.org/#/c/597567
    [1] https://bugs.launchpad.net/neutron/+bug/1838449/comments/15
    
    Change-Id: Ibbf35d0f4a0bf9281f0bc8c411e8527eed75361d
    Closes-Bug: #1838449


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

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https://bugs.launchpad.net/bugs/1838449

Title:
  Router migrations failing in the gate

Status in neutron:
  Fix Released

Bug description:
  As of the reporting of this bug, router migrations are the largest
  contributor of failures of the neutron-tempest-plugin-dvr-multinode-
  scenario job. Over a 7 days period these are the failures observed:

  test_qos_basic_and_update	48
  test_from_dvr_to_dvr_ha	39
  test_from_dvr_to_ha	38
  test_from_dvr_to_legacy	23
  test_connectivity_through_2_routers	17
  test_snat_external_ip	17
  test_vm_reachable_through_compute	10
  test_trunk_subport_lifecycle	9
  test_qos	8

  Specifically, the migrations from dvr to something else seem to be the
  problem

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