Comment 7 for bug 1563749

Reproduced on local PC on BVT2, when provisioning node 6.

2016-03-31 12:50:38,853 - ERROR decorators.py:125 -- Traceback (most recent call last):
  File "/home/penguinolog/work/fuel-qa/fuelweb_test/helpers/decorators.py", line 119, in wrapper
    result = func(*args, **kwargs)
  File "/home/penguinolog/work/fuel-qa/fuelweb_test/tests/test_ceph.py", line 474, in ceph_rados_gw
    self.env.d_env.nodes().slaves[:6])
  File "/home/penguinolog/work/fuel-qa/fuelweb_test/models/environment.py", line 125, in bootstrap_nodes
    self.sync_time()
  File "/home/penguinolog/work/fuel-qa/fuelweb_test/models/environment.py", line 137, in sync_time
    new_time = sync_time(self.d_env, nodes_names, skip_sync)
  File "/home/penguinolog/work/fuel-devops-venv/lib/python2.7/site-packages/devops/helpers/retry.py", line 27, in wrapper
    return func(*args, **kwargs)
  File "/home/penguinolog/work/fuel-devops-venv/lib/python2.7/site-packages/devops/helpers/ntp.py", line 35, in sync_time
    with GroupNtpSync(env, node_names) as g_ntp:
  File "/home/penguinolog/work/fuel-devops-venv/lib/python2.7/site-packages/devops/helpers/ntp.py", line 79, in __init__
    ntp = Ntp.get_ntp(get_node_remote(env, node_name),
  File "/home/penguinolog/work/fuel-devops-venv/lib/python2.7/site-packages/devops/helpers/helpers.py", line 160, in get_node_remote
    name=node_name).interfaces[0].mac_address)
  File "/home/penguinolog/work/fuel-devops-venv/lib/python2.7/site-packages/devops/helpers/helpers.py", line 191, in get_slave_ip
    js = get_nodes(admin_ip)
  File "/home/penguinolog/work/fuel-devops-venv/lib/python2.7/site-packages/devops/helpers/helpers.py", line 512, in get_nodes
    nodes_response = request.urlopen(nodes_request)
  File "/usr/lib64/python2.7/urllib2.py", line 154, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib64/python2.7/urllib2.py", line 431, in open
    response = self._open(req, data)
  File "/usr/lib64/python2.7/urllib2.py", line 449, in _open
    '_open', req)
  File "/usr/lib64/python2.7/urllib2.py", line 409, in _call_chain
    result = func(*args)
  File "/usr/lib64/python2.7/urllib2.py", line 1240, in https_open
    context=self._context)
  File "/usr/lib64/python2.7/urllib2.py", line 1197, in do_open
    raise URLError(err)
URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>