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[OpenStack Infra <1968896@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/838444
Committed: https://opendev.org/openstack/neutron/commit/8dfb24a9332673c8b972f26cb92f5d4024b1bf6f
Submitter: "Zuul (22348)"
Branch:    master

commit 8dfb24a9332673c8b972f26cb92f5d4024b1bf6f
Author: LIU Yulong <i@xxxxxxxxxxxx>
Date:   Tue Apr 19 15:13:18 2022 +0800

    Remove block flow when port UP
    
    Port admin state down will add 4095 tag to it while
    it is adding a drop flow for this ofport.
    
    When port is back UP again, remove the drop flow.
    
    Closes-bug: #1968896
    Change-Id: Ie8f67def69ae0e5d425d0e6fc43e35373a96bd88


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

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https://bugs.launchpad.net/bugs/1968896

Title:
  Test
  tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_update_instance_port_admin_state
  is failing constantly since 7.04.2022

Status in neutron:
  Fix Released

Bug description:
  It is failing in the neutron-ovs-tempest-slow periodic job every day since 7.04.2022.
  Failure example: https://71dffc4e35d369b68ca9-4d92b13c04e5cbfc4c00e2b757cddf9c.ssl.cf5.rackcdn.com/periodic/opendev.org/openstack/neutron/master/neutron-ovs-tempest-slow/9866a21/testr_results.html

  Stacktrace:

  Traceback (most recent call last):
    File "/opt/stack/tempest/tempest/common/utils/__init__.py", line 70, in wrapper
      return f(*func_args, **func_kwargs)
    File "/opt/stack/tempest/tempest/scenario/test_network_basic_ops.py", line 717, in test_update_instance_port_admin_state
      self._check_public_network_connectivity(
    File "/opt/stack/tempest/tempest/scenario/test_network_basic_ops.py", line 212, in _check_public_network_connectivity
      self.check_vm_connectivity(
    File "/opt/stack/tempest/tempest/scenario/manager.py", line 948, in check_vm_connectivity
      self.assertTrue(self.ping_ip_address(ip_address,
    File "/usr/lib/python3.8/unittest/case.py", line 765, in assertTrue
      raise self.failureException(msg)
  AssertionError: False is not true : Public network connectivity check failed. Reason: after updating admin_state_up of instance port to True
  Timed out waiting for 172.24.5.179 to become reachable

  It seems that patch
  https://review.opendev.org/c/openstack/neutron/+/819567 is the culprit
  of that issue

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