Host is not reachable by ping during 600 sec during negative auto cic maintenance mode

During swarm run [0] with scenario

        Scenario:
            1. Revert snapshot
            2. Disable UMM
            3. Change UMM.CONF
            4. Unexpected reboot
            5. Check the controller not switching in maintenance mode
            6. Check the controller become available

There were an error:
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/9.x.system_test.ubuntu.cic_maintenance_mode/fuelweb_test/helpers/decorators.py", line 120, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.x.system_test.ubuntu.cic_maintenance_mode/fuelweb_test/tests/tests_strength/test_cic_maintenance_mode.py", line 433, in negative_auto_cic_maintenance_mode
    "".format(_ip))
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/asserts.py", line 163, in assert_true
    raise ASSERTION_ERROR(message)
AssertionError: Host 10.109.0.4 is not reachable by ping during 600 sec

[0] https://product-ci.infra.mirantis.net/job/9.x.system_test.ubuntu.cic_maintenance_mode/164/testReport/(root)/negative_auto_cic_maintenance_mode/negative_auto_cic_maintenance_mode/

Additional info:
Debug is available during next runs due to fact that snapshots has been deleted