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[Ihar Hrachyshka <1584614@xxxxxxxxxxxxxxxxxx>]

Can't reproduce neither when executing the whole suite nor when running
just the test case you mentioned. For master branch.

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

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Title:
  tox py27 unit test for neutron-vpnaas is failed

Status in neutron:
  Invalid

Bug description:
  The neutron-vpnaas py27 unit test case is failed:
  "neutron_vpnaas.tests.unit.services.vpn.device_drivers.test_ipsec.TestOpenSwanProcess.test__get_nexthop_fqdn_peer_addr_is_not_resolved"

  --------------------
  stable/kilo branch:
  --------------------
  ==============================
  Failed 1 tests - output below:
  ==============================

  neutron_vpnaas.tests.unit.services.vpn.device_drivers.test_ipsec.TestOpenSwanProcess.test__get_nexthop_fqdn_peer_addr_is_not_resolved
  -------------------------------------------------------------------------------------------------------------------------------------

  Captured pythonlogging:
  ~~~~~~~~~~~~~~~~~~~~~~~
      2016-05-23 14:57:12,345    ERROR [neutron.agent.linux.utils] 
      Command: ['sudo', 'ip', 'netns', 'exec', '<ANY>', 'ip', 'route', 'get', '183.207.232.253']
      Exit code: 1
      Stdin: 
      Stdout: 
      Stderr: Cannot open network namespace "<ANY>": No such file or directory
      
      

  Captured traceback:
  ~~~~~~~~~~~~~~~~~~~
      Traceback (most recent call last):
        File "neutron_vpnaas/tests/unit/services/vpn/device_drivers/test_ipsec.py", line 635, in test__get_nexthop_fqdn_peer_addr_is_not_resolved
          'fake-conn-id')
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 434, in assertRaises
          self.assertThat(our_callable, matcher)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 445, in assertThat
          mismatch_error = self._matchHelper(matchee, matcher, message, verbose)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 495, in _matchHelper
          mismatch = matcher.match(matchee)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/matchers/_exception.py", line 108, in match
          mismatch = self.exception_matcher.match(exc_info)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/matchers/_higherorder.py", line 62, in match
          mismatch = matcher.match(matchee)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 426, in match
          reraise(*matchee)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/matchers/_exception.py", line 101, in match
          result = matchee()
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 982, in __call__
          return self._callable_object(*self._args, **self._kwargs)
        File "neutron_vpnaas/services/vpn/device_drivers/ipsec.py", line 392, in _get_nexthop
          routes = self._execute(['ip', 'route', 'get', ip_addr])
        File "neutron_vpnaas/services/vpn/device_drivers/ipsec.py", line 339, in _execute
          extra_ok_codes=extra_ok_codes)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/src/neutron/neutron/agent/linux/ip_lib.py", line 620, in execute
          log_fail_as_error=log_fail_as_error, **kwargs)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/src/neutron/neutron/agent/linux/utils.py", line 137, in execute
          raise RuntimeError(m)
      RuntimeError: 
      Command: ['sudo', 'ip', 'netns', 'exec', '<ANY>', 'ip', 'route', 'get', '183.207.232.253']
      Exit code: 1
      Stdin: 
      Stdout: 
      Stderr: Cannot open network namespace "<ANY>": No such file or directory

  --------------------
  master branch:
  --------------------
  # tox -e py27 neutron_vpnaas.tests.unit.services.vpn.device_drivers.test_ipsec.TestOpenSwanProcess.test__get_nexthop_fqdn_peer_addr_is_not_resolved

  ...
  {0} neutron_vpnaas.tests.unit.services.vpn.device_drivers.test_ipsec.TestOpenSwanProcess.test__get_nexthop_fqdn_peer_addr_is_not_resolved [0.339711s] ... FAILED

  ==============================
  Failed 1 tests - output below:
  ==============================

  neutron_vpnaas.tests.unit.services.vpn.device_drivers.test_ipsec.TestOpenSwanProcess.test__get_nexthop_fqdn_peer_addr_is_not_resolved
  -------------------------------------------------------------------------------------------------------------------------------------

  Captured traceback:
  ~~~~~~~~~~~~~~~~~~~
      Traceback (most recent call last):
        File "neutron_vpnaas/tests/unit/services/vpn/device_drivers/test_ipsec.py", line 1197, in test__get_nexthop_fqdn_peer_addr_is_not_resolved
          'fake-conn-id')
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 485, in assertRaises
          self.assertThat(our_callable, matcher)
        File "/home/zhaoy/projects/openstack-github/neutron-vpnaas/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 498, in assertThat
          raise mismatch_error
      testtools.matchers._impl.MismatchError: <bound method OpenSwanProcess._get_nexthop of <neutron_vpnaas.services.vpn.device_drivers.ipsec.OpenSwanProcess object at 0x7fc5c35814d0>> returned <MagicMock name='_execute().split().__getitem__()' id='140487355892880'>

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