There is another issue caused by patch regression:

Traceback (most recent call last):
  File "/usr/lib/python2.7/unittest/case.py", line 331, in run
    testMethod()
  File "/usr/lib/python2.7/unittest/case.py", line 1043, in runTest
    self._testFunc()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/helpers/decorators.py", line 80, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/tests/test_neutron_tun.py", line 82, in deploy_neutron_tun
    self.fuel_web.deploy_cluster_wait(cluster_id)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/helpers/decorators.py", line 463, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/helpers/decorators.py", line 448, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/helpers/decorators.py", line 499, in wrapper
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/helpers/decorators.py", line 506, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/helpers/decorators.py", line 390, in wrapper
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/models/fuel_web_client.py", line 706, in deploy_cluster_wait
    node = self.get_devops_node_by_nailgun_node(n)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/__init__.py", line 58, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/models/fuel_web_client.py", line 906, in get_devops_node_by_nailgun_node
    return self.get_devops_node_by_mac(nailgun_node['mac'])
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/__init__.py", line 58, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.custom_system_test/fuelweb_test/models/fuel_web_client.py", line 883, in get_devops_node_by_mac
    if EUI(iface.mac_address.lower) == EUI(mac_address):
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/netaddr/eui/__init__.py", line 387, in __init__
    self.value = addr
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/netaddr/eui/__init__.py", line 423, in _set_value
    self._value = module.str_to_int(value)
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/netaddr/strategy/eui48.py", line 178, in str_to_int
    raise TypeError('%r is not str() or unicode()!' % addr)
TypeError: <built-in method lower of unicode object at 0x7f86c2ee1660> is not str() or unicode()!