odl client 404 on port update

Relevant logs @ http://logs.openstack.org/38/496638/7/check/gate-rally-dsvm-networking-odl-carbon-snapshot/d1f32b9/logs/

q-svc log
=========

 INFO networking_odl.journal.journal [None req-897486ef-e733-4835-816f-f7dd22c90760 None None] Processing - update port 5cd5a60a-06a2-4274-a7b0-b88ed937a49f
 DEBUG networking_odl.common.client [None req-897486ef-e733-4835-816f-f7dd22c90760 None None] Sending METHOD (put) URL (http://198.72.124.116:8087/controller/nb/v2/neutron/ports/5cd5a60a-06a2-4274-a7b0-b88ed937a49f) JSON ({
   "port": {
     "allowed_address_pairs": [],
     "extra_dhcp_opts": [],
     "updated_at": "2017-08-27T11:58:14Z",
     "device_owner": "network:dhcp",
     "revision_number": 3,
     "port_security_enabled": false,
     "binding:profile": {},
     "fixed_ips": [
       {
         "subnet_id": "e272c54e-43be-47aa-acd0-c2aaab596862",
         "ip_address": "10.2.15.2"
       }
     ],
     "security_groups": [],
     "binding:vif_details": {
       "support_vhost_user": false,
       "has_datapath_type_netdev": false,
       "uuid": "9aafa204-dacc-4a42-80c6-a3a05de43393",
       "host_addresses": [
         "ubuntu-xenial-inap-mtl01-10650239"
       ]
     },
     "binding:vif_type": "ovs",
     "mac_address": "fa:16:3e:05:4e:41",
     "binding:host_id": "ubuntu-xenial-inap-mtl01-10650239",
     "description": "",
     "tags": [],
     "device_id": "dhcp8981c717-8b49-521d-af27-33139dcc5f8e-f3d90580-4bef-4d7c-b32b-af4576f42e67",
     "name": "",
     "admin_state_up": true,
     "created_at": "2017-08-27T11:58:06Z",
     "binding:vnic_type": "normal"
   }
 }) {{(pid=20895) request /opt/stack/new/networking-odl/networking_odl/common/client.py:89}}
 DEBUG neutron.scheduler.dhcp_agent_scheduler [None req-b815a515-fef2-4e46-8dce-99ab43cf0dd5 c_rally_f2ccc531_1M2EcU8x c_rally_f2ccc531_8fzScwr5] Network 0414e07d-aaf2-4abc-843b-3da23b8eefa1 is scheduled to be hosted by DHCP agent 30f28597-4e0a-4350-833e-7df8e1aec4e0 {{(pid=20892) bind /opt/stack/new/neutron/neutron/scheduler/dhcp_agent_scheduler.py:199}}
 DEBUG neutron.scheduler.dhcp_agent_scheduler [None req-fc80da8c-ad42-4dee-aa0e-aad6636f2f12 c_rally_f2ccc531_1M2EcU8x c_rally_f2ccc531_8fzScwr5] Network 39a52e67-9195-44ff-8d67-4d75c85fa703 is scheduled to be hosted by DHCP agent 30f28597-4e0a-4350-833e-7df8e1aec4e0 {{(pid=20892) bind /opt/stack/new/neutron/neutron/scheduler/dhcp_agent_scheduler.py:199}}
 DEBUG networking_odl.common.client [None req-897486ef-e733-4835-816f-f7dd22c90760 None None] Exception from ODL: 404 Client Error: Not Found for url: http://198.72.124.116:8087/controller/nb/v2/neutron/ports/5cd5a60a-06a2-4274-a7b0-b88ed937a49f Port UUID does not exist. {{(pid=20895) _check_response /opt/stack/new/networking-odl/networking_odl/common/client.py:140}}
 ERROR networking_odl.common.client Traceback (most recent call last):
 ERROR networking_odl.common.client File "/opt/stack/new/networking-odl/networking_odl/common/client.py", line 136, in _check_response
 ERROR networking_odl.common.client response.raise_for_status()
 ERROR networking_odl.common.client File "/usr/local/lib/python2.7/dist-packages/requests/models.py", line 935, in raise_for_status
 ERROR networking_odl.common.client raise HTTPError(http_error_msg, response=self)
 ERROR networking_odl.common.client HTTPError: 404 Client Error: Not Found for url: http://198.72.124.116:8087/controller/nb/v2/neutron/ports/5cd5a60a-06a2-4274-a7b0-b88ed937a49f
 ERROR networking_odl.common.client
 ERROR networking_odl.common.client [None req-897486ef-e733-4835-816f-f7dd22c90760 None None] REST request ( put ) to url ( ports/5cd5a60a-06a2-4274-a7b0-b88ed937a49f ) is failed. Request body : [{u'port': {'allowed_address_pairs': [], 'extra_dhcp_opts': [], 'updated_at': '2017-08-27T11:58:14Z', 'device_owner': u'network:dhcp', 'revision_number': 3, 'port_security_enabled': False, 'binding:profile': {}, 'fixed_ips': [{'subnet_id': u'e272c54e-43be-47aa-acd0-c2aaab596862', 'ip_address': u'10.2.15.2'}], 'security_groups': [], 'binding:vif_details': {u'support_vhost_user': False, u'has_datapath_type_netdev': False, u'uuid': u'9aafa204-dacc-4a42-80c6-a3a05de43393', u'host_addresses': [u'ubuntu-xenial-inap-mtl01-10650239']}, 'binding:vif_type': u'ovs', 'mac_address': u'fa:16:3e:05:4e:41', 'binding:host_id': u'ubuntu-xenial-inap-mtl01-10650239', 'description': u'', 'tags': [], 'device_id': u'dhcp8981c717-8b49-521d-af27-33139dcc5f8e-f3d90580-4bef-4d7c-b32b-af4576f42e67', 'name': u'', 'admin_state_up': True, 'created_at': '2017-08-27T11:58:06Z', 'binding:vnic_type': u'normal'}}] service: HTTPError: 404 Client Error: Not Found for url: http://198.72.124.116:8087/controller/nb/v2/neutron/ports/5cd5a60a-06a2-4274-a7b0-b88ed937a49f
 ERROR networking_odl.journal.journal [None req-897486ef-e733-4835-816f-f7dd22c90760 None None] Error while processing update port 5cd5a60a-06a2-4274-a7b0-b88ed937a49f: HTTPError: 404 Client Error: Not Found for url: http://198.72.124.116:8087/controller/nb/v2/neutron/ports/5cd5a60a-06a2-4274-a7b0-b88ed937a49f
 ERROR networking_odl.journal.journal Traceback (most recent call last):
 ERROR networking_odl.journal.journal File "/opt/stack/new/networking-odl/networking_odl/journal/journal.py", line 245, in _sync_entry
 ERROR networking_odl.journal.journal self.client.sendjson(method, urlpath, to_send)
 ERROR networking_odl.journal.journal File "/opt/stack/new/networking-odl/networking_odl/common/client.py", line 106, in sendjson
 ERROR networking_odl.journal.journal 'body': obj})
 ERROR networking_odl.journal.journal File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
 ERROR networking_odl.journal.journal self.force_reraise()
 ERROR networking_odl.journal.journal File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
 ERROR networking_odl.journal.journal six.reraise(self.type_, self.value, self.tb)
 ERROR networking_odl.journal.journal File "/opt/stack/new/networking-odl/networking_odl/common/client.py", line 98, in sendjson
 ERROR networking_odl.journal.journal self.request(method, urlpath, data))
 ERROR networking_odl.journal.journal File "/opt/stack/new/networking-odl/networking_odl/common/client.py", line 140, in _check_response
 ERROR networking_odl.journal.journal {'e': error, 'text': response.text}, exc_info=1)
 ERROR networking_odl.journal.journal File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
 ERROR networking_odl.journal.journal self.force_reraise()
 ERROR networking_odl.journal.journal File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
 ERROR networking_odl.journal.journal six.reraise(self.type_, self.value, self.tb)
 ERROR networking_odl.journal.journal File "/opt/stack/new/networking-odl/networking_odl/common/client.py", line 136, in _check_response
 ERROR networking_odl.journal.journal response.raise_for_status()
 ERROR networking_odl.journal.journal File "/usr/local/lib/python2.7/dist-packages/requests/models.py", line 935, in raise_for_status
 ERROR networking_odl.journal.journal raise HTTPError(http_error_msg, response=self)
 ERROR networking_odl.journal.journal HTTPError: 404 Client Error: Not Found for url: http://198.72.124.116:8087/controller/nb/v2/neutron/ports/5cd5a60a-06a2-4274-a7b0-b88ed937a49f
 ERROR networking_odl.journal.journal