+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-17 13:15:36.664 1 INFO nova.utils [None req-7c0db277-b102-4aa3-8d4a-febe025475e3 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-17 13:15:36.835 1 INFO nova.utils [None req-7c0db277-b102-4aa3-8d4a-febe025475e3 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-17 13:15:37.835 1 INFO nova.utils [None req-7c0db277-b102-4aa3-8d4a-febe025475e3 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-17 13:15:37.838 1 WARNING oslo_service.backend._threading.service [None req-7c0db277-b102-4aa3-8d4a-febe025475e3 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-17 13:15:37.850 1 WARNING oslo_config.cfg [None req-7c0db277-b102-4aa3-8d4a-febe025475e3 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-07-17 13:15:37.894 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 13:15:37.907 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 13:54:17.697 12 INFO nova.utils [None req-eac17db1-f1b6-49d3-bc56-777236a4c999 180517c1f67c44e093a5a7cb82da9f65 6199c4ed522d4607bde0c186d5576a8f - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-17 13:54:17.893 12 INFO nova.compute.rpcapi [None req-ae45687e-88df-47f4-a641-9c793b2338cf - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 13:54:37.550 10 ERROR nova.scheduler.utils [None req-eac17db1-f1b6-49d3-bc56-777236a4c999 180517c1f67c44e093a5a7cb82da9f65 6199c4ed522d4607bde0c186d5576a8f - - default default] [instance: ab51710a-13c1-4c2e-92fb-53caea858846] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance ab51710a-13c1-4c2e-92fb-53caea858846 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:54:37.551 10 WARNING nova.scheduler.utils [None req-eac17db1-f1b6-49d3-bc56-777236a4c999 180517c1f67c44e093a5a7cb82da9f65 6199c4ed522d4607bde0c186d5576a8f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab51710a-13c1-4c2e-92fb-53caea858846.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab51710a-13c1-4c2e-92fb-53caea858846.
2026-07-17 13:54:37.551 10 WARNING nova.scheduler.utils [None req-eac17db1-f1b6-49d3-bc56-777236a4c999 180517c1f67c44e093a5a7cb82da9f65 6199c4ed522d4607bde0c186d5576a8f - - default default] [instance: ab51710a-13c1-4c2e-92fb-53caea858846] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab51710a-13c1-4c2e-92fb-53caea858846.
2026-07-17 13:54:37.650 10 WARNING neutronclient.v2_0.client [None req-eac17db1-f1b6-49d3-bc56-777236a4c999 180517c1f67c44e093a5a7cb82da9f65 6199c4ed522d4607bde0c186d5576a8f - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab51710a-13c1-4c2e-92fb-53caea858846.
2026-07-17 13:54:38.289 10 WARNING neutronclient.v2_0.client [None req-eac17db1-f1b6-49d3-bc56-777236a4c999 180517c1f67c44e093a5a7cb82da9f65 6199c4ed522d4607bde0c186d5576a8f - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab51710a-13c1-4c2e-92fb-53caea858846.
2026-07-17 13:54:40.044 10 ERROR nova.scheduler.utils [None req-7c8d48dc-2b85-4e8e-8870-8b39fd199be6 5ffb236341614043971530acc1727be6 a47f68a54e9c4eaa8a437162f3ad48d1 - - default default] [instance: 9cd24419-4f79-4642-baa7-129328c9e194] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 9cd24419-4f79-4642-baa7-129328c9e194 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:54:40.045 10 WARNING nova.scheduler.utils [None req-7c8d48dc-2b85-4e8e-8870-8b39fd199be6 5ffb236341614043971530acc1727be6 a47f68a54e9c4eaa8a437162f3ad48d1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9cd24419-4f79-4642-baa7-129328c9e194.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9cd24419-4f79-4642-baa7-129328c9e194.
2026-07-17 13:54:40.045 10 WARNING nova.scheduler.utils [None req-7c8d48dc-2b85-4e8e-8870-8b39fd199be6 5ffb236341614043971530acc1727be6 a47f68a54e9c4eaa8a437162f3ad48d1 - - default default] [instance: 9cd24419-4f79-4642-baa7-129328c9e194] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9cd24419-4f79-4642-baa7-129328c9e194.
2026-07-17 13:54:40.092 10 WARNING neutronclient.v2_0.client [None req-7c8d48dc-2b85-4e8e-8870-8b39fd199be6 5ffb236341614043971530acc1727be6 a47f68a54e9c4eaa8a437162f3ad48d1 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9cd24419-4f79-4642-baa7-129328c9e194.
2026-07-17 13:54:40.232 10 WARNING neutronclient.v2_0.client [None req-7c8d48dc-2b85-4e8e-8870-8b39fd199be6 5ffb236341614043971530acc1727be6 a47f68a54e9c4eaa8a437162f3ad48d1 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9cd24419-4f79-4642-baa7-129328c9e194.
2026-07-17 13:54:55.093 10 INFO nova.utils [None req-a4f686f7-8ec3-4aed-9b2a-3058b449a70b e93a594151864b11aba8ab9bcd897e15 73a4e952258c406c94f70949d4db32bc - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-17 13:54:55.245 10 INFO nova.compute.rpcapi [None req-5c823422-f79a-4054-bd00-f6611baed868 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 13:55:09.290 12 ERROR nova.scheduler.utils [None req-a4f686f7-8ec3-4aed-9b2a-3058b449a70b e93a594151864b11aba8ab9bcd897e15 73a4e952258c406c94f70949d4db32bc - - default default] [instance: 967b137c-276c-40b1-acdc-30998fa7be50] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 967b137c-276c-40b1-acdc-30998fa7be50 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:55:09.291 12 WARNING nova.scheduler.utils [None req-a4f686f7-8ec3-4aed-9b2a-3058b449a70b e93a594151864b11aba8ab9bcd897e15 73a4e952258c406c94f70949d4db32bc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 967b137c-276c-40b1-acdc-30998fa7be50.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 967b137c-276c-40b1-acdc-30998fa7be50.
2026-07-17 13:55:09.292 12 WARNING nova.scheduler.utils [None req-a4f686f7-8ec3-4aed-9b2a-3058b449a70b e93a594151864b11aba8ab9bcd897e15 73a4e952258c406c94f70949d4db32bc - - default default] [instance: 967b137c-276c-40b1-acdc-30998fa7be50] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 967b137c-276c-40b1-acdc-30998fa7be50.
2026-07-17 13:55:09.394 12 WARNING neutronclient.v2_0.client [None req-a4f686f7-8ec3-4aed-9b2a-3058b449a70b e93a594151864b11aba8ab9bcd897e15 73a4e952258c406c94f70949d4db32bc - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 967b137c-276c-40b1-acdc-30998fa7be50.
2026-07-17 13:55:09.804 12 WARNING neutronclient.v2_0.client [None req-a4f686f7-8ec3-4aed-9b2a-3058b449a70b e93a594151864b11aba8ab9bcd897e15 73a4e952258c406c94f70949d4db32bc - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 967b137c-276c-40b1-acdc-30998fa7be50.
2026-07-17 13:55:11.003 12 ERROR nova.scheduler.utils [None req-44eaa2be-080a-4990-a2ca-2bbb7a7c20fc 076aff95f263490aadf8d56e29f3170e 85503fae2d4145e29fd3356af26b68ac - - default default] [instance: c1010559-1a81-427c-83c6-801bd4006952] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c1010559-1a81-427c-83c6-801bd4006952 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:55:11.004 12 WARNING nova.scheduler.utils [None req-44eaa2be-080a-4990-a2ca-2bbb7a7c20fc 076aff95f263490aadf8d56e29f3170e 85503fae2d4145e29fd3356af26b68ac - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c1010559-1a81-427c-83c6-801bd4006952.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c1010559-1a81-427c-83c6-801bd4006952.
2026-07-17 13:55:11.005 12 WARNING nova.scheduler.utils [None req-44eaa2be-080a-4990-a2ca-2bbb7a7c20fc 076aff95f263490aadf8d56e29f3170e 85503fae2d4145e29fd3356af26b68ac - - default default] [instance: c1010559-1a81-427c-83c6-801bd4006952] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c1010559-1a81-427c-83c6-801bd4006952.
2026-07-17 13:55:11.065 12 WARNING neutronclient.v2_0.client [None req-44eaa2be-080a-4990-a2ca-2bbb7a7c20fc 076aff95f263490aadf8d56e29f3170e 85503fae2d4145e29fd3356af26b68ac - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c1010559-1a81-427c-83c6-801bd4006952.
2026-07-17 13:55:11.621 12 WARNING neutronclient.v2_0.client [None req-44eaa2be-080a-4990-a2ca-2bbb7a7c20fc 076aff95f263490aadf8d56e29f3170e 85503fae2d4145e29fd3356af26b68ac - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c1010559-1a81-427c-83c6-801bd4006952.
2026-07-17 13:55:12.616 10 ERROR nova.scheduler.utils [None req-7136469c-de33-4451-8e5e-34ad4622177f 8e990867f5cf4934a92f84db44c687c3 ba49dd3825b94350b6514a54d3221c6c - - default default] [instance: 10a40ea5-4530-4d9f-865b-16931f1e40ec] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 10a40ea5-4530-4d9f-865b-16931f1e40ec was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:55:12.617 10 WARNING nova.scheduler.utils [None req-7136469c-de33-4451-8e5e-34ad4622177f 8e990867f5cf4934a92f84db44c687c3 ba49dd3825b94350b6514a54d3221c6c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10a40ea5-4530-4d9f-865b-16931f1e40ec.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10a40ea5-4530-4d9f-865b-16931f1e40ec.
2026-07-17 13:55:12.617 10 WARNING nova.scheduler.utils [None req-7136469c-de33-4451-8e5e-34ad4622177f 8e990867f5cf4934a92f84db44c687c3 ba49dd3825b94350b6514a54d3221c6c - - default default] [instance: 10a40ea5-4530-4d9f-865b-16931f1e40ec] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10a40ea5-4530-4d9f-865b-16931f1e40ec.
2026-07-17 13:55:12.668 10 WARNING neutronclient.v2_0.client [None req-7136469c-de33-4451-8e5e-34ad4622177f 8e990867f5cf4934a92f84db44c687c3 ba49dd3825b94350b6514a54d3221c6c - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10a40ea5-4530-4d9f-865b-16931f1e40ec.
2026-07-17 13:55:12.820 10 WARNING neutronclient.v2_0.client [None req-7136469c-de33-4451-8e5e-34ad4622177f 8e990867f5cf4934a92f84db44c687c3 ba49dd3825b94350b6514a54d3221c6c - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10a40ea5-4530-4d9f-865b-16931f1e40ec.
2026-07-17 13:55:40.179 10 ERROR nova.scheduler.utils [None req-686c591b-0f86-4870-b3bb-60b84d161980 46fc63b9b29049809c88bd18b18771ae cf7c6ecc495b4552b3cb3245320fa0c3 - - default default] [instance: 2996f536-644f-487b-a921-05a04e7e7f84] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 2996f536-644f-487b-a921-05a04e7e7f84 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:55:40.180 10 WARNING nova.scheduler.utils [None req-686c591b-0f86-4870-b3bb-60b84d161980 46fc63b9b29049809c88bd18b18771ae cf7c6ecc495b4552b3cb3245320fa0c3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2996f536-644f-487b-a921-05a04e7e7f84.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2996f536-644f-487b-a921-05a04e7e7f84.
2026-07-17 13:55:40.180 10 WARNING nova.scheduler.utils [None req-686c591b-0f86-4870-b3bb-60b84d161980 46fc63b9b29049809c88bd18b18771ae cf7c6ecc495b4552b3cb3245320fa0c3 - - default default] [instance: 2996f536-644f-487b-a921-05a04e7e7f84] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2996f536-644f-487b-a921-05a04e7e7f84.
2026-07-17 13:55:40.231 10 WARNING neutronclient.v2_0.client [None req-686c591b-0f86-4870-b3bb-60b84d161980 46fc63b9b29049809c88bd18b18771ae cf7c6ecc495b4552b3cb3245320fa0c3 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2996f536-644f-487b-a921-05a04e7e7f84.
2026-07-17 13:55:40.252 10 WARNING neutronclient.v2_0.client [None req-686c591b-0f86-4870-b3bb-60b84d161980 46fc63b9b29049809c88bd18b18771ae cf7c6ecc495b4552b3cb3245320fa0c3 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2996f536-644f-487b-a921-05a04e7e7f84.
2026-07-17 13:55:43.986 10 ERROR nova.scheduler.utils [None req-cdbd3dcf-1cf5-4ea3-b280-392dd736732b 9b7d3008506d46d18078c8566bcd9fb2 6bb831f6896047b995d3557d56d1ebce - - default default] [instance: 7fd475b2-595a-4bd4-af42-609c264f34cf] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 7fd475b2-595a-4bd4-af42-609c264f34cf was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:55:43.987 10 WARNING nova.scheduler.utils [None req-cdbd3dcf-1cf5-4ea3-b280-392dd736732b 9b7d3008506d46d18078c8566bcd9fb2 6bb831f6896047b995d3557d56d1ebce - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fd475b2-595a-4bd4-af42-609c264f34cf.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fd475b2-595a-4bd4-af42-609c264f34cf.
2026-07-17 13:55:43.987 10 WARNING nova.scheduler.utils [None req-cdbd3dcf-1cf5-4ea3-b280-392dd736732b 9b7d3008506d46d18078c8566bcd9fb2 6bb831f6896047b995d3557d56d1ebce - - default default] [instance: 7fd475b2-595a-4bd4-af42-609c264f34cf] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fd475b2-595a-4bd4-af42-609c264f34cf.
2026-07-17 13:55:44.062 10 WARNING neutronclient.v2_0.client [None req-cdbd3dcf-1cf5-4ea3-b280-392dd736732b 9b7d3008506d46d18078c8566bcd9fb2 6bb831f6896047b995d3557d56d1ebce - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fd475b2-595a-4bd4-af42-609c264f34cf.
2026-07-17 13:55:44.091 10 WARNING neutronclient.v2_0.client [None req-cdbd3dcf-1cf5-4ea3-b280-392dd736732b 9b7d3008506d46d18078c8566bcd9fb2 6bb831f6896047b995d3557d56d1ebce - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fd475b2-595a-4bd4-af42-609c264f34cf.
2026-07-17 13:56:29.553 10 ERROR nova.scheduler.utils [None req-e456a7c0-f48b-4aba-81d3-40d0667fc044 0f31fa345704451e950244188ac044cf ac1cf61d3863409f9e8eaca4a5edf348 - - default default] [instance: 881ea058-86fe-4b9e-821d-41c927279e89] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 881ea058-86fe-4b9e-821d-41c927279e89 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:56:29.555 10 WARNING nova.scheduler.utils [None req-e456a7c0-f48b-4aba-81d3-40d0667fc044 0f31fa345704451e950244188ac044cf ac1cf61d3863409f9e8eaca4a5edf348 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 881ea058-86fe-4b9e-821d-41c927279e89.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 881ea058-86fe-4b9e-821d-41c927279e89.
2026-07-17 13:56:29.555 10 WARNING nova.scheduler.utils [None req-e456a7c0-f48b-4aba-81d3-40d0667fc044 0f31fa345704451e950244188ac044cf ac1cf61d3863409f9e8eaca4a5edf348 - - default default] [instance: 881ea058-86fe-4b9e-821d-41c927279e89] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 881ea058-86fe-4b9e-821d-41c927279e89.
2026-07-17 13:56:29.652 10 WARNING neutronclient.v2_0.client [None req-e456a7c0-f48b-4aba-81d3-40d0667fc044 0f31fa345704451e950244188ac044cf ac1cf61d3863409f9e8eaca4a5edf348 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 881ea058-86fe-4b9e-821d-41c927279e89.
2026-07-17 13:56:29.681 10 WARNING neutronclient.v2_0.client [None req-e456a7c0-f48b-4aba-81d3-40d0667fc044 0f31fa345704451e950244188ac044cf ac1cf61d3863409f9e8eaca4a5edf348 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 881ea058-86fe-4b9e-821d-41c927279e89.
2026-07-17 13:57:15.223 10 ERROR nova.scheduler.utils [None req-67a73092-1c6a-4918-8a50-3ed864adcf66 136f8e5007d04913b47455fb450c4ad6 ab744127d47845279140f21419fa40e2 - - default default] [instance: 7ac0b276-a536-44aa-aab2-39311ece7294] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 7ac0b276-a536-44aa-aab2-39311ece7294 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:57:15.224 10 WARNING nova.scheduler.utils [None req-67a73092-1c6a-4918-8a50-3ed864adcf66 136f8e5007d04913b47455fb450c4ad6 ab744127d47845279140f21419fa40e2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ac0b276-a536-44aa-aab2-39311ece7294.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ac0b276-a536-44aa-aab2-39311ece7294.
2026-07-17 13:57:15.224 10 WARNING nova.scheduler.utils [None req-67a73092-1c6a-4918-8a50-3ed864adcf66 136f8e5007d04913b47455fb450c4ad6 ab744127d47845279140f21419fa40e2 - - default default] [instance: 7ac0b276-a536-44aa-aab2-39311ece7294] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ac0b276-a536-44aa-aab2-39311ece7294.
2026-07-17 13:57:15.269 10 WARNING neutronclient.v2_0.client [None req-67a73092-1c6a-4918-8a50-3ed864adcf66 136f8e5007d04913b47455fb450c4ad6 ab744127d47845279140f21419fa40e2 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ac0b276-a536-44aa-aab2-39311ece7294.
2026-07-17 13:57:15.307 10 WARNING neutronclient.v2_0.client [None req-67a73092-1c6a-4918-8a50-3ed864adcf66 136f8e5007d04913b47455fb450c4ad6 ab744127d47845279140f21419fa40e2 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ac0b276-a536-44aa-aab2-39311ece7294.
2026-07-17 13:58:06.719 10 ERROR nova.scheduler.utils [None req-1150e979-b25d-4449-bf22-6ff65161e46e cf8eedd78ac3485b803e5eab8d1cbd86 94fcb718b2f64699baaf9fb0af958a6a - - default default] [instance: 09fbff83-bbc4-454e-b5a9-9bc24267eea6] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 09fbff83-bbc4-454e-b5a9-9bc24267eea6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:58:06.720 10 WARNING nova.scheduler.utils [None req-1150e979-b25d-4449-bf22-6ff65161e46e cf8eedd78ac3485b803e5eab8d1cbd86 94fcb718b2f64699baaf9fb0af958a6a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09fbff83-bbc4-454e-b5a9-9bc24267eea6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09fbff83-bbc4-454e-b5a9-9bc24267eea6.
2026-07-17 13:58:06.720 10 WARNING nova.scheduler.utils [None req-1150e979-b25d-4449-bf22-6ff65161e46e cf8eedd78ac3485b803e5eab8d1cbd86 94fcb718b2f64699baaf9fb0af958a6a - - default default] [instance: 09fbff83-bbc4-454e-b5a9-9bc24267eea6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09fbff83-bbc4-454e-b5a9-9bc24267eea6.
2026-07-17 13:58:06.761 10 WARNING neutronclient.v2_0.client [None req-1150e979-b25d-4449-bf22-6ff65161e46e cf8eedd78ac3485b803e5eab8d1cbd86 94fcb718b2f64699baaf9fb0af958a6a - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09fbff83-bbc4-454e-b5a9-9bc24267eea6.
2026-07-17 13:58:06.789 10 WARNING neutronclient.v2_0.client [None req-1150e979-b25d-4449-bf22-6ff65161e46e cf8eedd78ac3485b803e5eab8d1cbd86 94fcb718b2f64699baaf9fb0af958a6a - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09fbff83-bbc4-454e-b5a9-9bc24267eea6.