Time on nodes was not synced

http://jenkins-product.srt.mirantis.net:8080/job/6.1.system_test.ubuntu.thread_1/92/testReport/%28root%29/check_nodes_disks/check_nodes_disks/?

Error Message

Time on nodes was not synchronized:
[('node-1', [' 10.109.15.2 .INIT. 16 u - 32 0 0.000 0.000 0.000\n'])]

Stacktrace

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/6.1.system_test.ubuntu.thread_1/fuelweb_test/helpers/decorators.py", line 66, in wrapper
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_1/fuelweb_test/tests/test_ha_one_controller.py", line 748, in check_nodes_disks
    self.env.revert_snapshot("deploy_node_multiple_interfaces")
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_1/fuelweb_test/models/environment.py", line 244, in revert_snapshot
    self.sync_time(nailgun_nodes)
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_1/fuelweb_test/helpers/decorators.py", line 206, in wrapper
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_1/fuelweb_test/models/environment.py", line 363, in sync_time
    GroupNtpSync(self, controller_nodes).do_sync_time()
  File "/home/jenkins/workspace/6.1.system_test.ubuntu.thread_1/fuelweb_test/helpers/ntp.py", line 75, in do_sync_time
    " \n{0}".format(self.report_not_connected()))
  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: Time on nodes was not synchronized:
[('node-1', [' 10.109.15.2 .INIT. 16 u - 32 0 0.000 0.000 0.000\n'])]