Comment 2 for bug 1608815

Traceback in contrail-api logs:

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 1632, in handler_trap_exception
    response = handler(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 1773, in obj_perms_http_get
    token_info = self._auth_svc.validate_user_token(get_request())
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_auth_keystone.py", line 236, in validate_user_token
    return auth_middleware(request.headers.environ, None)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
    return self.func(req, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", line 467, in __call__
    response = req.get_response(self._app)
  File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1317, in send
    application, catch_exc_info=False)
  File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1292, in call_application
    return (captured[0], captured[1], app_iter)
IndexError: list index out of range