[root@benchmarker ~]# python verifyme.py
[{'version': (3, 6), 'raw_status': u'stable', 'url': u'http://keystone-vip:35357/v3/', 'max_microversion': None, 'min_microversion': None, 'not_before': None, 'collection': None, 'next_min_version': None}]
Traceback (most recent call last):
  File "verifyme.py", line 49, in <module>
    auth_ref = identity_plugin.get_access(sess)
  File "/usr/lib/python2.7/site-packages/keystoneauth1/identity/base.py", line 135, in get_access
    self.auth_ref = self.get_auth_ref(session)
  File "/usr/lib/python2.7/site-packages/keystoneauth1/identity/generic/base.py", line 198, in get_auth_ref
    return self._plugin.get_auth_ref(session, **kwargs)
  File "/usr/lib/python2.7/site-packages/keystoneauth1/identity/v3/base.py", line 167, in get_auth_ref
    authenticated=False, log=False, **rkwargs)
  File "/usr/lib/python2.7/site-packages/keystoneauth1/session.py", line 853, in post
    return self.request(url, 'POST', **kwargs)
  File "/usr/lib/python2.7/site-packages/wrapt/wrappers.py", line 562, in __call__
    args, kwargs)
  File "/usr/lib/python2.7/site-packages/positional/__init__.py", line 108, in inner
    return wrapped(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/keystoneauth1/session.py", line 742, in request
    raise exceptions.from_response(resp, method, url)
keystoneauth1.exceptions.http.Unauthorized: The request you have made requires authentication. (HTTP 401) (Request-ID: req-f7642c5f-2eff-4299-a42c-f0dcc4daa093)