OverflowError: timeout is too large in gate-neutron-python26

[Armando Migliaccio]

These two stack traces do not provide a lot of clues, but it looks like there's something else that's not properly mocked and that causes failures like shown in #1201478.

ft214.3: neutron.tests.unit.test_agent_linux_utils.AgentUtilsExecuteTest.test_stderr_StringException: Empty attachments:
  pythonlogging:''
  stderr
  stdout

Traceback (most recent call last):
  File "/home/jenkins/workspace/gate-neutron-python26/neutron/tests/unit/test_agent_linux_utils.py", line 44, in test_stderr
    return_stderr=True)
  File "/home/jenkins/workspace/gate-neutron-python26/neutron/agent/linux/utils.py", line 54, in execute
    obj.communicate())
  File "/usr/lib64/python2.6/subprocess.py", line 732, in communicate
    stdout, stderr = self._communicate(input, endtime)
  File "/usr/lib64/python2.6/subprocess.py", line 1318, in _communicate
    stdout, stderr = self._communicate_with_select(input, endtime)
  File "/usr/lib64/python2.6/subprocess.py", line 1453, in _communicate_with_select
    remaining)
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/green/select.py", line 79, in select
    return hub.switch()
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 187, in switch
    return self.greenlet.switch()
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 236, in run
    self.wait(sleep_time)
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/poll.py", line 84, in wait
    presult = self.do_poll(seconds)
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/epolls.py", line 61, in do_poll
    return self.poll.poll(seconds)
OverflowError: timeout is too large

ft214.4: neutron.tests.unit.test_agent_linux_utils.AgentUtilsExecuteTest.test_with_addl_env_StringException: Empty attachments:
  pythonlogging:''
  stderr
  stdout

Traceback (most recent call last):
  File "/home/jenkins/workspace/gate-neutron-python26/neutron/tests/unit/test_agent_linux_utils.py", line 62, in test_with_addl_env
    addl_env={'foo': 'bar'})
  File "/home/jenkins/workspace/gate-neutron-python26/neutron/agent/linux/utils.py", line 54, in execute
    obj.communicate())
  File "/usr/lib64/python2.6/subprocess.py", line 732, in communicate
    stdout, stderr = self._communicate(input, endtime)
  File "/usr/lib64/python2.6/subprocess.py", line 1318, in _communicate
    stdout, stderr = self._communicate_with_select(input, endtime)
  File "/usr/lib64/python2.6/subprocess.py", line 1453, in _communicate_with_select
    remaining)
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/green/select.py", line 79, in select
    return hub.switch()
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 187, in switch
    return self.greenlet.switch()
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/hub.py", line 236, in run
    self.wait(sleep_time)
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/poll.py", line 84, in wait
    presult = self.do_poll(seconds)
  File "/home/jenkins/workspace/gate-neutron-python26/.tox/py26/lib/python2.6/site-packages/eventlet/hubs/epolls.py", line 61, in do_poll
    return self.poll.poll(seconds)
OverflowError: timeout is too large

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/38573