2013-08-21T10:54:36.940 ERROR:teuthology.run_tasks:Saw exception from tasks
Traceback (most recent call last):
  File "/home/teuthworker/teuthology-master/teuthology/run_tasks.py", line 27, in run_tasks
    manager.__enter__()
  File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__
    return self.gen.next()
  File "/home/teuthworker/teuthology-master/teuthology/task/internal.py", line 73, in lock_machines
    machines = lock.list_locks(ctx)
  File "/home/teuthworker/teuthology-master/teuthology/lock.py", line 73, in list_locks
    success, content, _ = ls.send_request('GET', ls._lock_url(ctx))
  File "/home/teuthworker/teuthology-master/teuthology/lockstatus.py", line 15, in send_request
    resp, content = http.request(url, method=method, body=body, headers=headers)
  File "/usr/lib/python2.7/dist-packages/httplib2/__init__.py", line 1444, in request
    (response, content) = self._request(conn, authority, uri, request_uri, method, body, headers, redirections, cachekey)
  File "/usr/lib/python2.7/dist-packages/httplib2/__init__.py", line 1196, in _request
    (response, content) = self._conn_request(conn, request_uri, method, body, headers)
  File "/usr/lib/python2.7/dist-packages/httplib2/__init__.py", line 1132, in _conn_request
    conn.connect()
  File "/usr/lib/python2.7/dist-packages/httplib2/__init__.py", line 798, in connect
    raise socket.error, msg
error: [Errno 111] Connection refused
2013-08-21T10:54:37.019 DEBUG:teuthology.run_tasks:Exception was not quenched, exiting: error: [Errno 111] Connection refused