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[OpenStack Infra <1946186@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/813128
Committed: https://opendev.org/openstack/neutron/commit/416b7fe2f77e8d0025327f53c6743d6eba0af439
Submitter: "Zuul (22348)"
Branch:    master

commit 416b7fe2f77e8d0025327f53c6743d6eba0af439
Author: Slawek Kaplonski <skaplons@xxxxxxxxxx>
Date:   Fri Oct 8 08:47:16 2021 +0200

    [Fullstack] Don't use dhcp in L3 agent tests
    
    It's not really needed and it is causing failures due to bug [1].
    We can revert that patch and use dhcp again when [1] will be fixed
    on the privsep's side.
    
    [1] https://review.opendev.org/c/openstack/neutron/+/794994
    
    Closes-Bug: #1946186
    Change-Id: I7f888fa0737a1e52cee758afee6b790ca6a80a32


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

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https://bugs.launchpad.net/bugs/1946186

Title:
  Fullstack test
  neutron.tests.fullstack.test_l3_agent.TestHAL3Agent.test_router_fip_qos_after_admin_state_down_up
  failing intermittently

Status in neutron:
  Fix Released

Bug description:
  Failure example:
  https://8d5ef598bba78b1573a4-7dfe055f87ad090ed1b50745545f409a.ssl.cf1.rackcdn.com/805391/10/check/neutron-
  fullstack-with-uwsgi/6e03086/testr_results.html

  Stacktrace:

  ft1.6: neutron.tests.fullstack.test_l3_agent.TestHAL3Agent.test_router_fip_qos_after_admin_state_down_uptesttools.testresult.real._StringException: Traceback (most recent call last):
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 703, in wait_until_true
      eventlet.sleep(sleep)
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.8/site-packages/eventlet/greenthread.py", line 36, in sleep
      hub.switch()
    File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.8/site-packages/eventlet/hubs/hub.py", line 313, in switch
      return self.greenlet.switch()
  eventlet.timeout.Timeout: 60 seconds

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/base.py", line 183, in func
      return f(self, *args, **kwargs)
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/fullstack/test_l3_agent.py", line 565, in test_router_fip_qos_after_admin_state_down_up
      self._router_fip_qos_after_admin_state_down_up(ha=True)
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/fullstack/test_l3_agent.py", line 208, in _router_fip_qos_after_admin_state_down_up
      vm.block_until_ping(external_vm.ip)
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/common/machine_fixtures.py", line 67, in block_until_ping
      utils.wait_until_true(
    File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 707, in wait_until_true
      raise exception
  neutron.tests.common.machine_fixtures.FakeMachineException: No ICMP reply obtained from IP address 240.0.83.1

  
  In the test's logs there are errors that "Network is unreachable" so maybe it is some issue with test itself.

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