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[Miguel Lavalle <miguel@xxxxxxxxxxxx>]

** Changed in: neutron
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1711463

Title:
  TestNetworkBasicOps.test_network_basic_ops failed with "Timed out
  waiting for 172.24.5.8 to become reachable"

Status in neutron:
  Invalid

Bug description:
  http://logs.openstack.org/45/493945/2/gate/gate-grenade-dsvm-neutron-
  dvr-multinode-ubuntu-xenial/c101360/logs/testr_results.html.gz

  2017-08-17 19:34:47,447 1906 DEBUG    [tempest.scenario.manager] checking network connections to IP 172.24.5.8 with user: cirros
  2017-08-17 19:34:47,448 1906 DEBUG    [tempest.scenario.manager] TestNetworkBasicOps:test_network_basic_ops begins to ping 172.24.5.8 in 120 sec and the expected result is reachable
  2017-08-17 19:36:47,871 1906 DEBUG    [tempest.scenario.manager] TestNetworkBasicOps:test_network_basic_ops finishes ping 172.24.5.8 in 120 sec and the ping result is unexpected
  2017-08-17 19:36:47,872 1906 ERROR    [tempest.scenario.manager] Public network connectivity check failed: after re-associate floating ip
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager Traceback (most recent call last):
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager   File "tempest/scenario/manager.py", line 609, in check_public_network_connectivity
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager     mtu=mtu)
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager   File "tempest/scenario/manager.py", line 592, in check_vm_connectivity
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager     msg=msg)
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager   File "/opt/stack/new/tempest/.tox/tempest/local/lib/python2.7/site-packages/unittest2/case.py", line 702, in assertTrue
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager     raise self.failureException(msg)
  2017-08-17 19:36:47.872 1906 ERROR tempest.scenario.manager AssertionError: False is not true : Timed out waiting for 172.24.5.8 to become reachable

  In l3 agent log, we see the address is configured:

  Aug 17 19:33:40.782930 ubuntu-xenial-2-node-citycloud-kna1-10495241 neutron-l3-agent[21093]: DEBUG neutron.agent.linux.utils [-] Running command (rootwrap daemon): ['ip', 'netns', 'exec', 'fip-8df87dc6-670f-4f85-861e-3f041537e632', 'ip', '-4', 'route', 'replace', '172.24.5.8/32', 'via', '169.254.95.212', 'dev', 'fpr-d2baa122-5'] {{(pid=21093) execute_rootwrap_daemon /opt/stack/new/neutron/neutron/agent/linux/utils.py:108}}
  Aug 17 19:33:40.857528 ubuntu-xenial-2-node-citycloud-kna1-10495241 neutron-l3-agent[21093]: DEBUG neutron.agent.linux.utils [-] Running command (rootwrap daemon): ['ip', 'netns', 'exec', 'fip-8df87dc6-670f-4f85-861e-3f041537e632', 'arping', '-U', '-I', 'fg-1090ccce-f5', '-c', '1', '-w', '1.5', '172.24.5.8'] {{(pid=21093) execute_rootwrap_daemon /opt/stack/new/neutron/neutron/agent/linux/utils.py:108}}

  No traces in q-agt or q-l3 for the port, or at all. It will probably
  be hard to debug the failure, but reporting nevertheless, if anything
  for tracking purposes.

  The failure is in Q (current master), but since it's grenade, it's
  probably Pike code.

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