'TASK [Disable Upgrade Flag via Rest] *******************************************',
 u' [WARNING]: Consider using get_url or uri module rather than running curl']
[u'fatal: [192.168.24.9]: FAILED! => {"changed": true, "cmd": "curl -k -v --silent --fail -u ODL_USERNAME:redhat -X PUT -d \\"{ \\"config\\": { \\"upgradeInProgress\\": false } }\\" -H \\"Content-Type: application/json\\" http://:8081/restconf/config/genius-mdsalutil:config", "delta": "0:00:00.017184", "end": "2018-06-29 13:30:37.861569", "msg": "non-zero return code", "rc": 6, "start": "2018-06-29 13:30:37.844385", "stderr": "* Could not resolve host: ; Unknown error\\n* Closing connection 0", "stderr_lines": ["* Could not resolve host: ; Unknown error", "* Closing connection 0"], "stdout": "", "stdout_lines": []}',


https://github.com/openstack/tripleo-heat-templates/blob/master/docker/services/opendaylight-api.yaml#L226

endpoint patch - https://review.openstack.org/#/c/535783/10/network/endpoints/endpoint_map.yaml