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[Akihiro Motoki <1697833@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

http://logs.openstack.org/21/473721/2/gate/gate-neutron-dsvm-functional-
ubuntu-xenial/788a8a8/testr_results.html.gz

neutron.tests.functional.agent.linux.test_linuxbridge_arp_protect.LinuxBridgeARPSpoofTestCase
test_arp_correct_protection

traceback-1: {{{
Traceback (most recent call last):
  File "neutron/tests/functional/agent/linux/test_linuxbridge_arp_protect.py", line 44, in _ensure_rules_cleaned
    self.assertEqual([], rules, 'Test leaked ebtables rules')
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/testtools/testcase.py", line 411, in assertEqual
    self.assertThat(observed, matcher, message)
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/testtools/testcase.py", line 498, in assertThat
    raise mismatch_error
testtools.matchers._impl.MismatchError: !=:
reference = []
actual    = [u'-i test-veth0d943e -j neutronMAC-test-veth0d943e',
 u'-i test-veth0d943e --among-src fa:16:3e:7f:c8:97, -j RETURN ',
 u'-p ARP --arp-ip-src 192.168.0.1 -j ACCEPT ']
: Test leaked ebtables rules
}}}

Traceback (most recent call last):
  File "neutron/tests/base.py", line 118, in func
    return f(self, *args, **kwargs)
  File "neutron/tests/functional/agent/linux/test_linuxbridge_arp_protect.py", line 62, in test_arp_correct_protection
    self._add_arp_protection(self.source, [self.source.ip])
  File "neutron/tests/functional/agent/linux/test_linuxbridge_arp_protect.py", line 53, in _add_arp_protection
    arp_protect.setup_arp_spoofing_protection(name, port_dict)
  File "neutron/plugins/ml2/drivers/linuxbridge/agent/arp_protect.py", line 57, in setup_arp_spoofing_protection
    install_arp_spoofing_protection(vif, addresses, current_rules)
  File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 271, in inner
    return f(*args, **kwargs)
  File "neutron/plugins/ml2/drivers/linuxbridge/agent/arp_protect.py", line 114, in install_arp_spoofing_protection
    vif_chain, '-p', 'ARP'])
  File "neutron/plugins/ml2/drivers/linuxbridge/agent/arp_protect.py", line 194, in ebtables
    return execute(['ebtables', '--concurrent'] + comm, run_as_root=True)
  File "neutron/agent/linux/ip_lib.py", line 900, in execute
    log_fail_as_error=log_fail_as_error, **kwargs)
  File "neutron/agent/linux/utils.py", line 151, in execute
    raise ProcessExecutionError(msg, returncode=returncode)
neutron.agent.linux.utils.ProcessExecutionError: Exit code: 255; Stdin: ; Stdout: ; Stderr: Unable to create lock file /run/ebtables.lock.

** Affects: neutron
     Importance: Critical
         Status: New


** Tags: functional-tests gate-failure

** Changed in: neutron
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1697833

Title:
  func: neutron.agent.linux.utils.ProcessExecutionError: Exit code: 255;
  Stdin: ; Stdout: ; Stderr: Unable to create lock file
  /run/ebtables.lock.

Status in neutron:
  New

Bug description:
  http://logs.openstack.org/21/473721/2/gate/gate-neutron-dsvm-
  functional-ubuntu-xenial/788a8a8/testr_results.html.gz

  neutron.tests.functional.agent.linux.test_linuxbridge_arp_protect.LinuxBridgeARPSpoofTestCase
  test_arp_correct_protection

  traceback-1: {{{
  Traceback (most recent call last):
    File "neutron/tests/functional/agent/linux/test_linuxbridge_arp_protect.py", line 44, in _ensure_rules_cleaned
      self.assertEqual([], rules, 'Test leaked ebtables rules')
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/testtools/testcase.py", line 411, in assertEqual
      self.assertThat(observed, matcher, message)
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/testtools/testcase.py", line 498, in assertThat
      raise mismatch_error
  testtools.matchers._impl.MismatchError: !=:
  reference = []
  actual    = [u'-i test-veth0d943e -j neutronMAC-test-veth0d943e',
   u'-i test-veth0d943e --among-src fa:16:3e:7f:c8:97, -j RETURN ',
   u'-p ARP --arp-ip-src 192.168.0.1 -j ACCEPT ']
  : Test leaked ebtables rules
  }}}

  Traceback (most recent call last):
    File "neutron/tests/base.py", line 118, in func
      return f(self, *args, **kwargs)
    File "neutron/tests/functional/agent/linux/test_linuxbridge_arp_protect.py", line 62, in test_arp_correct_protection
      self._add_arp_protection(self.source, [self.source.ip])
    File "neutron/tests/functional/agent/linux/test_linuxbridge_arp_protect.py", line 53, in _add_arp_protection
      arp_protect.setup_arp_spoofing_protection(name, port_dict)
    File "neutron/plugins/ml2/drivers/linuxbridge/agent/arp_protect.py", line 57, in setup_arp_spoofing_protection
      install_arp_spoofing_protection(vif, addresses, current_rules)
    File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 271, in inner
      return f(*args, **kwargs)
    File "neutron/plugins/ml2/drivers/linuxbridge/agent/arp_protect.py", line 114, in install_arp_spoofing_protection
      vif_chain, '-p', 'ARP'])
    File "neutron/plugins/ml2/drivers/linuxbridge/agent/arp_protect.py", line 194, in ebtables
      return execute(['ebtables', '--concurrent'] + comm, run_as_root=True)
    File "neutron/agent/linux/ip_lib.py", line 900, in execute
      log_fail_as_error=log_fail_as_error, **kwargs)
    File "neutron/agent/linux/utils.py", line 151, in execute
      raise ProcessExecutionError(msg, returncode=returncode)
  neutron.agent.linux.utils.ProcessExecutionError: Exit code: 255; Stdin: ; Stdout: ; Stderr: Unable to create lock file /run/ebtables.lock.

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