From the Rally log:

2016-02-19 07:03:14.358 31008 DEBUG keystoneclient.session [-] REQ: curl -g -i --insecure -X GET http://10.0.3.17:5000/v2.0 -H "Accept: application/json" -H "User
-Agent: python-keystoneclient" _http_log_request /usr/local/lib/python2.7/dist-packages/keystoneclient/session.py:198
2016-02-19 07:03:14.359 31007 DEBUG keystoneclient.session [-] REQ: curl -g -i --insecure -X GET http://10.0.3.17:5000/v2.0 -H "User-Agent: python-keystoneclient"
 -H "Accept: application/json" -H "X-Auth-Token: {SHA1}6d22f944767649edc309d56bdf1a5df952a63bdb" _http_log_request /usr/local/lib/python2.7/dist-packages/keystone
client/session.py:198
2016-02-19 07:03:14.361 31012 DEBUG keystoneclient.session [-] RESP: [200] Content-Length: 335 Vary: X-Auth-Token Keep-Alive: timeout=5, max=100 Server: Apache/2.
4.7 (Ubuntu) Connection: Keep-Alive Date: Fri, 19 Feb 2016 07:03:14 GMT Content-Type: application/json x-openstack-request-id: req-b89b39fd-d9cb-42bf-94b0-49d8a65
02238 
RESP BODY: {"version": {"status": "stable", "updated": "2014-04-17T00:00:00Z", "media-types": [{"base": "application/json", "type": "application/vnd.openstack.ide
ntity-v2.0+json"}], "id": "v2.0", "links": [{"href": "http://10.0.3.17:5000/v2.0/", "rel": "self"}, {"href": "http://docs.openstack.org/", "type": "text/html", "r
el": "describedby"}]}}
 _http_log_response /usr/local/lib/python2.7/dist-packages/keystoneclient/session.py:216
2016-02-19 07:03:14.361 31012 DEBUG keystoneclient.auth.identity.v2 [-] Making authentication request to http://10.0.3.17:5000/v2.0/tokens get_auth_ref /usr/local/lib/python2.7/dist-packages/keystoneclient/auth/identity/v2.py:86
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner [-] Unable to establish connection to http://10.0.3.17:5000/v2.0
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner Traceback (most recent call last):
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/task/runner.py", line 66, in _run_scenario_once
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     deprecated_output = getattr(scenario_inst, method_name)(**kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/common/logging.py", line 266, in wrapper
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     result = f(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/plugins/openstack/scenarios/zaqar/basic.py", line 35, in create_queue
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     self._queue_create(**kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/task/atomic.py", line 84, in func_atomic_actions
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     f = func(self, *args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/plugins/openstack/scenarios/zaqar/utils.py", line 31, in _queue_create
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return self.clients("zaqar").queue(name, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/plugins/openstack/scenario.py", line 71, in clients
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return client(version) if version is not None else client()
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/osclients.py", line 202, in __call__
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     self.cache[key] = self.create_client(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/osclients.py", line 474, in create_client
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     kc = self.keystone()
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/osclients.py", line 144, in keystone
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return keystone(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/osclients.py", line 202, in __call__
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     self.cache[key] = self.create_client(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/osclients.py", line 242, in create_client
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     client = self._create_keystone_client(kw)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/opt/stack/rally/rally/osclients.py", line 231, in _create_keystone_client
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return client.Client(**args)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/client.py", line 62, in Client
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     d = discover.Discover(session=session, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/utils.py", line 337, in inner
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return func(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/discover.py", line 185, in __init__
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     authenticated=authenticated)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/utils.py", line 337, in inner
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return func(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/_discover.py", line 142, in __init__
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     authenticated=authenticated)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/utils.py", line 337, in inner
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return func(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/_discover.py", line 40, in get_version_data
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     resp = session.get(url, headers=headers, authenticated=authenticated)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/session.py", line 497, in get
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return self.request(url, 'GET', **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/utils.py", line 337, in inner
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     return func(*args, **kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/session.py", line 390, in request
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     resp = send(**kwargs)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner   File "/usr/local/lib/python2.7/dist-packages/keystoneclient/session.py", line 434, in _send_request
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner     raise exceptions.ConnectionRefused(msg)
2016-02-19 07:03:14.362 31007 ERROR rally.task.runner ConnectFailure: Unable to establish connection to http://10.0.3.17:5000/v2.0