The issue was reproduced on following environment: ------------------------------------------------ id | name | roles | version ---+---------------------+------------+--------- 3 | slave-05_controller | controller | 9.0 5 | slave-04_compute | compute | 9.0 4 | slave-03_controller | controller | 9.1 (snapshot #315) 1 | slave-02_controller | controller | 9.0 2 | slave-01_controller | controller | 9.0 ----------------------------------------------- Test 10 attempt of create-delete server failed - 6 times on controller node-4 which is 9.1 - 1 time on node-2 - 3 times on node-3 and no fails on node-1 All fails corresponded following records in /var/log/nova/nova-compute.log: ---- 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [req-76d93a7e-e469-48a7-9c0e-7efb99a9a291 952683525946431fa2e586a2116c7be9 8e72eafd176a45379104ac98a4fccf69 - - -] [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] Neutron error creating port on network 0fba810c-f21a-4f08-b0ef-f49e4a50b090 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] Traceback (most recent call last): 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 254, in _create_port 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] port = port_client.create_port(port_req_body) 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 97, in with_params 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] ret = self.function(instance, *args, **kwargs) 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 654, in create_port 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] return self.post(self.ports_path, body=body) 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 363, in post 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] headers=headers, params=params) 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 298, in do_request 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] self._handle_fault_response(status_code, replybody, resp) 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 273, in _handle_fault_response 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] exception_handler_v20(status_code, error_body) 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 84, in exception_handler_v20 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] request_ids=request_ids) 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] BadRequest: Unrecognized attribute(s) 'dns_name' 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] Neutron server returns request_ids: ['req-cd0c8911-ec46-4f86-9929-54f6d5401b18'] 2016-09-28 19:17:12.173 23105 ERROR nova.network.neutronv2.api [instance: 2aa8ba23-6285-4ed4-b25e-f957faab3fa9] 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager [req-76d93a7e-e469-48a7-9c0e-7efb99a9a291 952683525946431fa2e586a2116c7be9 8e72eafd176a45379104ac98a4fccf69 - - -] Instance failed network setup after 1 attempt(s) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager Traceback (most recent call last): 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1570, in _allocate_network_async 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager bind_host_id=bind_host_id) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 668, in allocate_for_instance 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager self._delete_ports(neutron, instance, created_port_ids) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__ 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager self.force_reraise() 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager six.reraise(self.type_, self.value, self.tb) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 657, in allocate_for_instance 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager security_group_ids, available_macs, dhcp_opts) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 295, in _create_port 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager network_id, instance=instance) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__ 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager self.force_reraise() 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager six.reraise(self.type_, self.value, self.tb) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 254, in _create_port 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager port = port_client.create_port(port_req_body) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 97, in with_params 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager ret = self.function(instance, *args, **kwargs) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 654, in create_port 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager return self.post(self.ports_path, body=body) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 363, in post 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager headers=headers, params=params) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 298, in do_request 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager self._handle_fault_response(status_code, replybody, resp) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 273, in _handle_fault_response 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager exception_handler_v20(status_code, error_body) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 84, in exception_handler_v20 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager request_ids=request_ids) 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager BadRequest: Unrecognized attribute(s) 'dns_name' 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager Neutron server returns request_ids: ['req-cd0c8911-ec46-4f86-9929-54f6d5401b18'] 2016-09-28 19:17:12.188 23105 ERROR nova.compute.manager