Comment 16 for bug 1392330

Also I found the following error is system tests Jenkins Job (6.0_fuelmain.system_test.ubuntu.thread_5/44):
ERROR: Check l3-agent rescheduling after l3-agent dies
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Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/usr/lib/python2.7/dist-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/usr/lib/python2.7/dist-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/6.0_fuelmain.system_test.ubuntu.thread_5/fuelweb_test/helpers/decorators.py", line 52, in wrapper
    return func(*args, **kwagrs)
  File "/home/jenkins/workspace/6.0_fuelmain.system_test.ubuntu.thread_5/fuelweb_test/tests/tests_strength/test_neutron.py", line 86, in deploy_ha_neutron
    node_fqdn, self.env.nodes().slaves[0:6])
  File "/home/jenkins/workspace/6.0_fuelmain.system_test.ubuntu.thread_5/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/6.0_fuelmain.system_test.ubuntu.thread_5/fuelweb_test/models/fuel_web_client.py", line 509, in find_devops_node_by_nailgun_fqdn
    macs = {i['mac'] for i in nailgun_node['meta']['interfaces']}
TypeError: 'NoneType' object has no attribute '__getitem__'

Seems like it's not connected with Neutron.