MOS job 5.1.2.staging.centos.bvt_1 failed with traceback for 5.1.2 release

Job:
http://jenkins-product.srt.mirantis.net:8080/view/Staging%20Mirrors/job/5.1.2.staging.centos.bvt_1/27/console

Traceback:
FAIL: Bootstrap 3 slave nodes
----------------------------------------------------------------------
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/5.1.2.staging.centos.bvt_1/fuelweb_test/helpers/decorators.py", line 52, in wrapper
    return func(*args, **kwagrs)
  File "/home/jenkins/workspace/5.1.2.staging.centos.bvt_1/fuelweb_test/tests/base_test_case.py", line 121, in prepare_slaves_3
    self.env.bootstrap_nodes(self.env.nodes().slaves[:3])
  File "/home/jenkins/workspace/5.1.2.staging.centos.bvt_1/fuelweb_test/models/environment.py", line 130, in bootstrap_nodes
    self.sync_node_time(self.get_ssh_to_remote(node["ip"]))
  File "/home/jenkins/workspace/5.1.2.staging.centos.bvt_1/fuelweb_test/helpers/decorators.py", line 184, in wrapper
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/5.1.2.staging.centos.bvt_1/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/5.1.2.staging.centos.bvt_1/fuelweb_test/models/environment.py", line 447, in sync_node_time
    self.execute_remote_cmd(remote, 'NTPD=$(find /etc/init.d/ -regex \''
  File "/home/jenkins/workspace/5.1.2.staging.centos.bvt_1/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/5.1.2.staging.centos.bvt_1/fuelweb_test/models/environment.py", line 593, in execute_remote_cmd
    format(cmd, result['stderr']))
AssertionError: Failed to execute "NTPD=$(find /etc/init.d/ -regex '/etc/init.d/ntp.?'); $NTPD stop; killall ntpd; ntpd -qg && $NTPD start" on remote host: ['ntpd: no process killed\n']