is: {'code': 500, 'created': '2025-09-18T10:17:55Z', 'message': "Failure running os_vif plugin plug method: Failed to plug VIF VIFGeneric(active=True,address=02:28:59:98:9b:8d,has_traffic_filtering=True,id=2859989b-8dfe-4798-9f09-64ad824d507d,network=Network(e8050606-a9ca-4e44-8902-fb5389af3c52),plugin='vrouter',port_p", 'details': 'Traceback (most recent call last):\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/os_vif/__init__.py", line 77, in plug\n plugin.plug(vif, instance_info)\n File "/opt/plugin/site-packages/vif_plug_vrouter/vrouter.py", line 271, in plug\n self._vrouter_port_add(instance_info, vif)\n File "/opt/plugin/site-packages/vif_plug_vrouter/vrouter.py", line 263, in _vrouter_port_add\n vhostuser_socket, vhostuser_mode)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_privsep/priv_context.py", line 272, in _wrap\n r_call_timeout)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_privsep/daemon.py", line 215, in remote_call\n raise exc_type(*result[2])\nvif_plug_vrouter.exception.VrouterPortControlError: Error during the call to vrouter-port-control: (\'vrouter-port-control\', \'--oper=add\', \'--uuid=2859989b-8dfe-4798-9f09-64ad824d507d\', \'--instance_uuid=971bfd39-7c72-44c5-a60f-45d354db0ed2\', \'--vn_uuid=e8050606-a9ca-4e44-8902-fb5389af3c52\', \'--vm_project_uuid=642639acfb4a4d10a7115f6ffdb9bd54\', \'--ip_address=173.89.84.195\', \'--ipv6_address=None\', \'--vm_name=ctest-TestRoutersBasic-21841297-80748014\', \'--mac=02:28:59:98:9b:8d\', \'--tap_name=tap2859989b-8d\', \'--port_type=NovaVMPort\', \'--tx_vlan_id=-1\', \'--rx_vlan_id=-1\')\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/virt/libvirt/vif.py", line 699, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/os_vif/__init__.py", line 82, in plug\n raise os_vif.exception.PlugException(vif=vif, err=err)\nos_vif.exception.PlugException: Failed to plug VIF VIFGeneric(active=True,address=02:28:59:98:9b:8d,has_traffic_filtering=True,id=2859989b-8dfe-4798-9f09-64ad824d507d,network=Network(e8050606-a9ca-4e44-8902-fb5389af3c52),plugin=\'vrouter\',port_profile=,preserve_on_delete=False,vif_name=\'tap2859989b-8d\'). Got error: Error during the call to vrouter-port-control: (\'vrouter-port-control\', \'--oper=add\', \'--uuid=2859989b-8dfe-4798-9f09-64ad824d507d\', \'--instance_uuid=971bfd39-7c72-44c5-a60f-45d354db0ed2\', \'--vn_uuid=e8050606-a9ca-4e44-8902-fb5389af3c52\', \'--vm_project_uuid=642639acfb4a4d10a7115f6ffdb9bd54\', \'--ip_address=173.89.84.195\', \'--ipv6_address=None\', \'--vm_name=ctest-TestRoutersBasic-21841297-80748014\', \'--mac=02:28:59:98:9b:8d\', \'--tap_name=tap2859989b-8d\', \'--port_type=NovaVMPort\', \'--tx_vlan_id=-1\', \'--rx_vlan_id=-1\')\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/compute/manager.py", line 2521, in _build_and_run_instance\n accel_info=accel_info)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/virt/libvirt/driver.py", line 4339, in spawn\n cleanup_instance_disks=created_disks)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/virt/libvirt/driver.py", line 7523, in _create_guest_with_network\n cleanup_instance_disks=cleanup_instance_disks)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_utils/excutils.py", line 227, in __exit__\n self.force_reraise()\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_utils/excutils.py", line 200, in force_reraise\n raise self.value\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/virt/libvirt/driver.py", line 7492, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/virt/libvirt/driver.py", line 1386, in plug_vifs\n self.vif_driver.plug(instance, vif)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/virt/libvirt/vif.py", line 723, in plug\n self._plug_os_vif(instance, vif_obj)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/virt/libvirt/vif.py", line 703, in _plug_os_vif\n raise exception.InternalError(msg)\nnova.exception.InternalError: Failure running os_vif plugin plug method: Failed to plug VIF VIFGeneric(active=True,address=02:28:59:98:9b:8d,has_traffic_filtering=True,id=2859989b-8dfe-4798-9f09-64ad824d507d,network=Network(e8050606-a9ca-4e44-8902-fb5389af3c52),plugin=\'vrouter\',port_profile=,preserve_on_delete=False,vif_name=\'tap2859989b-8d\'). Got error: Error during the call to vrouter-port-control: (\'vrouter-port-control\', \'--oper=add\', \'--uuid=2859989b-8dfe-4798-9f09-64ad824d507d\', \'--instance_uuid=971bfd39-7c72-44c5-a60f-45d354db0ed2\', \'--vn_uuid=e8050606-a9ca-4e44-8902-fb5389af3c52\', \'--vm_project_uuid=642639acfb4a4d10a7115f6ffdb9bd54\', \'--ip_address=173.89.84.195\', \'--ipv6_address=None\', \'--vm_name=ctest-TestRoutersBasic-21841297-80748014\', \'--mac=02:28:59:98:9b:8d\', \'--tap_name=tap2859989b-8d\', \'--port_type=NovaVMPort\', \'--tx_vlan_id=-1\', \'--rx_vlan_id=-1\')\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/compute/manager.py", line 2337, in _do_build_and_run_instance\n filter_properties, request_spec, accel_uuids)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/compute/manager.py", line 2625, in _build_and_run_instance\n instance_uuid=instance.uuid, reason=str(e))\nnova.exception.RescheduledException: Build of instance 971bfd39-7c72-44c5-a60f-45d354db0ed2 was re-scheduled: Failure running os_vif plugin plug method: Failed to plug VIF VIFGeneric(active=True,address=02:28:59:98:9b:8d,has_traffic_filtering=True,id=2859989b-8dfe-4798-9f09-64ad824d507d,network=Network(e8050606-a9ca-4e44-8902-fb5389af3c52),plugin=\'vrouter\',port_profile=,preserve_on_delete=False,vif_name=\'tap2859989b-8d\'). Got error: Error during the call to vrouter-port-control: (\'vrouter-port-control\', \'--oper=add\', \'--uuid=2859989b-8dfe-4798-9f09-64ad824d507d\', \'--instance_uuid=971bfd39-7c72-44c5-a60f-45d354db0ed2\', \'--vn_uuid=e8050606-a9ca-4e44-8902-fb5389af3c52\', \'--vm_project_uuid=642639acfb4a4d10a7115f6ffdb9bd54\', \'--ip_address=173.89.84.195\', \'--ipv6_address=None\', \'--vm_name=ctest-TestRoutersBasic-21841297-80748014\', \'--mac=02:28:59:98:9b:8d\', \'--tap_name=tap2859989b-8d\', \'--port_type=NovaVMPort\', \'--tx_vlan_id=-1\', \'--rx_vlan_id=-1\')\n'}
2025-09-18 10:23:24,411 - INFO - Deleting VN ctest-ext_vn-48343516
2025-09-18 10:23:24,466 - DEBUG - VN 2129a703-9d8f-487c-9bef-634548d7603e still in use: Unable to complete operation on network 2129a703-9d8f-487c-9bef-634548d7603e. There are one or more ports still in use on the network.
Neutron server returns request_ids: ['req-e8fb6be6-f289-411f-b1d2-dc9dbcc1055e']
2025-09-18 10:23:24,466 - WARNING - Deleting VN ctest-ext_vn-48343516 failed..Will retry
2025-09-18 10:23:26,562 - DEBUG - Response for deleting network ()
2025-09-18 10:23:26,562 - INFO - Deleting VN ctest-vn-56871141
2025-09-18 10:23:26,665 - DEBUG - Response for deleting network ()
2025-09-18 10:23:26,784 - ERROR - Traceback (most recent call last):
File "/contrail-test/tcutils/wrappers.py", line 80, in wrapper
result = function(self, *args, **kwargs)
File "/contrail-test/scripts/neutron/test_routers_basic.py", line 52, in test_basic_snat_behavior_without_external_connectivity
vm2_fixture.vm_ip), 'Ping from vm_left to vm_right through snat failed'
File "/contrail-test/fixtures/vm_test.py", line 354, in vm_ip
assert self.verify_vm_launched()
AssertionError
2025-09-18 10:23:26,789 - DEBUG - No XMPP flaps were noticed during the test
2025-09-18 10:23:26,789 - INFO -
2025-09-18 10:23:26,790 - INFO - END TEST : test_basic_snat_behavior_without_external_connectivity : FAILED[0:05:37]
2025-09-18 10:23:26,790 - INFO - --------------------------------------------------------------------------------
2025-09-18 10:23:27,471 - INFO - Deleted project: ctest-TestRoutersBasic-21841297, ID : 642639ac-fb4a-4d10-a711-5f6ffdb9bd54