tempest_stacktrace_multiple_networks

failure: setUpClass (tempest.api.compute.floating_ips.test_floating_ips_actions.FloatingIPsTestJSON) [ multipart
Content-Type: text/x-traceback;charset="utf8",language="python"
traceback
4CA^M
Traceback (most recent call last):
  File "/vagrant/refstack-client/.tempest/tempest/test.py", line 249, in setUpClass
    cls.resource_setup()
  File "/vagrant/refstack-client/.tempest/tempest/api/compute/floating_ips/test_floating_ips_actions.py", line 33, in resource_setup
    resp, server = cls.create_test_server(wait_until='ACTIVE')
  File "/vagrant/refstack-client/.tempest/tempest/api/compute/base.py", line 226, in create_test_server
    name, image_id, flavor, **kwargs)
  File "/vagrant/refstack-client/.tempest/tempest/services/compute/json/servers_client.py", line 92, in create_server
    resp, body = self.post('servers', post_body)
  File "/vagrant/refstack-client/.tempest/tempest/common/rest_client.py", line 232, in post
    return self.request('POST', url, extra_headers, headers, body)
  File "/vagrant/refstack-client/.tempest/tempest/common/rest_client.py", line 434, in request
    resp, resp_body)
  File "/vagrant/refstack-client/.tempest/tempest/common/rest_client.py", line 483, in _error_checker
    raise exceptions.BadRequest(resp_body)
BadRequest: Bad request
Details: Bad request
Details: {u'message': u'Multiple possible networks found, use a Network ID to be more specific.', u'code': 400}
0^M
]