tempest test test_create_list_show_update_delete_tags fails

R4.0 Buidl 35 Ubuntu 16.04.2 newton

<testcase classname="tempest.api.network.test_tags.TagsTest" name="test_create_list_show_update_delete_tags[id-ee76bfaf-ac94-4d74-9ecc-4bbd4c583cb1]" time="0.546">
<failure type="testtools.testresult.real._StringException">Traceback (most recent call last):
testtools.testresult.real._StringException: pythonlogging:'': {{{
2017-11-02 11:24:16,928 733 INFO [tempest.lib.common.rest_client] Request (TagsTest:test_create_list_show_update_delete_tags): 404 PUT http://10.204.216.58:9696/v2.0/networks/4b022166-85e9-40bd-8a77-124fda9967cc/tags/tempest-TagsTest-Tag-622117503 0.544s
2017-11-02 11:24:16,929 733 DEBUG [tempest.lib.common.rest_client] Request - Headers: {'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '&lt;omitted>'}
        Body: "{}"
    Response - Headers: {'status': '404', u'content-length': '152', 'content-location': 'http://10.204.216.58:9696/v2.0/networks/4b022166-85e9-40bd-8a77-124fda9967cc/tags/tempest-TagsTest-Tag-622117503', u'date': 'Thu, 02 Nov 2017 05:54:16 GMT', u'content-type': 'application/json', u'connection': 'close', u'x-openstack-request-id': 'req-5db7d7b1-5aff-4098-98f7-c8a5b9f1bafb'}
        Body: {"NeutronError": {"message": "Resource networks 4b022166-85e9-40bd-8a77-124fda9967cc could not be found.", "type": "TagResourceNotFound", "detail": ""}}
}}}

Traceback (most recent call last):
  File "/tempest/tempest/api/network/test_tags.py", line 56, in test_create_list_show_update_delete_tags
    self.tags_client.create_tag('networks', self.network['id'], tag_name)
  File "/tempest/tempest/lib/services/network/tags_client.py", line 33, in create_tag
    expect_empty_body=True)
  File "/tempest/tempest/lib/services/network/base.py", line 76, in update_resource
    resp, body = self.put(req_uri, req_post_data)
  File "/tempest/tempest/lib/common/rest_client.py", line 334, in put
    return self.request('PUT', url, extra_headers, headers, body, chunked)
  File "/tempest/tempest/lib/common/rest_client.py", line 659, in request
    self._error_checker(resp, resp_body)
  File "/tempest/tempest/lib/common/rest_client.py", line 765, in _error_checker
    raise exceptions.NotFound(resp_body, resp=resp)
tempest.lib.exceptions.NotFound: Object not found
Details: {u'message': u'Resource networks 4b022166-85e9-40bd-8a77-124fda9967cc could not be found.', u'type': u'TagResourceNotFound', u'detail': u''}

</failure>