+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-15 15:05:27.948 1 INFO nova.utils [None req-02e6fc5a-16fb-44d1-b9e3-9989bc27ebf6 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-15 15:05:28.106 1 INFO nova.utils [None req-02e6fc5a-16fb-44d1-b9e3-9989bc27ebf6 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-15 15:05:29.107 1 INFO nova.utils [None req-02e6fc5a-16fb-44d1-b9e3-9989bc27ebf6 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-15 15:05:29.110 1 WARNING oslo_service.backend._threading.service [None req-02e6fc5a-16fb-44d1-b9e3-9989bc27ebf6 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-15 15:05:29.119 1 WARNING oslo_config.cfg [None req-02e6fc5a-16fb-44d1-b9e3-9989bc27ebf6 - - - - - -] 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.
2026-07-15 15:05:29.170 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 15:05:29.182 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 15:43:53.292 10 INFO nova.utils [None req-36db731c-c1a7-4b6a-b926-d6fb8b44426e f7afe9055462438d82253ddca97c56a9 6f77f063368e4fe592296cabb0a998c8 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-15 15:43:53.447 10 INFO nova.compute.rpcapi [None req-e7abd7fc-6358-46a2-b845-47fa2beeaac6 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 15:43:53.494 12 INFO nova.utils [None req-060f6b74-14d7-4534-be67-2a81736d8bb4 53a7f313d1424e4787728760668518f8 d26c9584008d4d8ea1f80305800c2b23 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-15 15:43:53.648 12 INFO nova.compute.rpcapi [None req-fe8ddea8-59b2-4d20-a1cf-eacf681ce425 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 15:44:08.564 10 ERROR nova.scheduler.utils [None req-36db731c-c1a7-4b6a-b926-d6fb8b44426e f7afe9055462438d82253ddca97c56a9 6f77f063368e4fe592296cabb0a998c8 - - default default] [instance: 0334c10a-9d0d-456e-9b55-714c55cb3095] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0334c10a-9d0d-456e-9b55-714c55cb3095 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:44:08.566 10 WARNING nova.scheduler.utils [None req-36db731c-c1a7-4b6a-b926-d6fb8b44426e f7afe9055462438d82253ddca97c56a9 6f77f063368e4fe592296cabb0a998c8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0334c10a-9d0d-456e-9b55-714c55cb3095.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0334c10a-9d0d-456e-9b55-714c55cb3095.
2026-07-15 15:44:08.567 10 WARNING nova.scheduler.utils [None req-36db731c-c1a7-4b6a-b926-d6fb8b44426e f7afe9055462438d82253ddca97c56a9 6f77f063368e4fe592296cabb0a998c8 - - default default] [instance: 0334c10a-9d0d-456e-9b55-714c55cb3095] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0334c10a-9d0d-456e-9b55-714c55cb3095.
2026-07-15 15:44:08.689 10 WARNING neutronclient.v2_0.client [None req-36db731c-c1a7-4b6a-b926-d6fb8b44426e f7afe9055462438d82253ddca97c56a9 6f77f063368e4fe592296cabb0a998c8 - - 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 0334c10a-9d0d-456e-9b55-714c55cb3095.
2026-07-15 15:44:09.093 10 WARNING neutronclient.v2_0.client [None req-36db731c-c1a7-4b6a-b926-d6fb8b44426e f7afe9055462438d82253ddca97c56a9 6f77f063368e4fe592296cabb0a998c8 - - 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 0334c10a-9d0d-456e-9b55-714c55cb3095.
2026-07-15 15:44:10.028 10 ERROR nova.scheduler.utils [None req-060f6b74-14d7-4534-be67-2a81736d8bb4 53a7f313d1424e4787728760668518f8 d26c9584008d4d8ea1f80305800c2b23 - - default default] [instance: afed5d75-4cf6-44ac-876d-d42f16c6b6da] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance afed5d75-4cf6-44ac-876d-d42f16c6b6da was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:44:10.029 10 WARNING nova.scheduler.utils [None req-060f6b74-14d7-4534-be67-2a81736d8bb4 53a7f313d1424e4787728760668518f8 d26c9584008d4d8ea1f80305800c2b23 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance afed5d75-4cf6-44ac-876d-d42f16c6b6da.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance afed5d75-4cf6-44ac-876d-d42f16c6b6da.
2026-07-15 15:44:10.029 10 WARNING nova.scheduler.utils [None req-060f6b74-14d7-4534-be67-2a81736d8bb4 53a7f313d1424e4787728760668518f8 d26c9584008d4d8ea1f80305800c2b23 - - default default] [instance: afed5d75-4cf6-44ac-876d-d42f16c6b6da] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance afed5d75-4cf6-44ac-876d-d42f16c6b6da.
2026-07-15 15:44:10.080 10 WARNING neutronclient.v2_0.client [None req-060f6b74-14d7-4534-be67-2a81736d8bb4 53a7f313d1424e4787728760668518f8 d26c9584008d4d8ea1f80305800c2b23 - - 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 afed5d75-4cf6-44ac-876d-d42f16c6b6da.
2026-07-15 15:44:10.105 10 WARNING neutronclient.v2_0.client [None req-060f6b74-14d7-4534-be67-2a81736d8bb4 53a7f313d1424e4787728760668518f8 d26c9584008d4d8ea1f80305800c2b23 - - 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 afed5d75-4cf6-44ac-876d-d42f16c6b6da.
2026-07-15 15:44:16.537 10 ERROR nova.scheduler.utils [None req-4dea341d-553c-4e32-bef6-b7bf1078f036 86f66654ba2140adaf3cf9751eece2c5 94b9038607a04c688f261b3808959634 - - default default] [instance: 34f2fc8d-f6eb-43c4-b46a-01c2a3524421] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 34f2fc8d-f6eb-43c4-b46a-01c2a3524421 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:44:16.538 10 WARNING nova.scheduler.utils [None req-4dea341d-553c-4e32-bef6-b7bf1078f036 86f66654ba2140adaf3cf9751eece2c5 94b9038607a04c688f261b3808959634 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 34f2fc8d-f6eb-43c4-b46a-01c2a3524421.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 34f2fc8d-f6eb-43c4-b46a-01c2a3524421.
2026-07-15 15:44:16.538 10 WARNING nova.scheduler.utils [None req-4dea341d-553c-4e32-bef6-b7bf1078f036 86f66654ba2140adaf3cf9751eece2c5 94b9038607a04c688f261b3808959634 - - default default] [instance: 34f2fc8d-f6eb-43c4-b46a-01c2a3524421] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 34f2fc8d-f6eb-43c4-b46a-01c2a3524421.
2026-07-15 15:44:16.598 10 WARNING neutronclient.v2_0.client [None req-4dea341d-553c-4e32-bef6-b7bf1078f036 86f66654ba2140adaf3cf9751eece2c5 94b9038607a04c688f261b3808959634 - - 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 34f2fc8d-f6eb-43c4-b46a-01c2a3524421.
2026-07-15 15:44:16.627 10 WARNING neutronclient.v2_0.client [None req-4dea341d-553c-4e32-bef6-b7bf1078f036 86f66654ba2140adaf3cf9751eece2c5 94b9038607a04c688f261b3808959634 - - 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 34f2fc8d-f6eb-43c4-b46a-01c2a3524421.
2026-07-15 15:44:36.445 12 ERROR nova.scheduler.utils [None req-05ef0f47-bd18-4174-b712-3ebf53173407 3f2d5a39b5b948febc03395d6fb7b110 abdbb89167b74f95b2aa3492b1fd5213 - - default default] [instance: 3ea303f1-7c66-4bb5-985b-30970635439b] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 3ea303f1-7c66-4bb5-985b-30970635439b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:44:36.447 12 WARNING nova.scheduler.utils [None req-05ef0f47-bd18-4174-b712-3ebf53173407 3f2d5a39b5b948febc03395d6fb7b110 abdbb89167b74f95b2aa3492b1fd5213 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3ea303f1-7c66-4bb5-985b-30970635439b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3ea303f1-7c66-4bb5-985b-30970635439b.
2026-07-15 15:44:36.448 12 WARNING nova.scheduler.utils [None req-05ef0f47-bd18-4174-b712-3ebf53173407 3f2d5a39b5b948febc03395d6fb7b110 abdbb89167b74f95b2aa3492b1fd5213 - - default default] [instance: 3ea303f1-7c66-4bb5-985b-30970635439b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3ea303f1-7c66-4bb5-985b-30970635439b.
2026-07-15 15:44:36.547 12 WARNING neutronclient.v2_0.client [None req-05ef0f47-bd18-4174-b712-3ebf53173407 3f2d5a39b5b948febc03395d6fb7b110 abdbb89167b74f95b2aa3492b1fd5213 - - 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 3ea303f1-7c66-4bb5-985b-30970635439b.
2026-07-15 15:44:37.195 12 WARNING neutronclient.v2_0.client [None req-05ef0f47-bd18-4174-b712-3ebf53173407 3f2d5a39b5b948febc03395d6fb7b110 abdbb89167b74f95b2aa3492b1fd5213 - - 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 3ea303f1-7c66-4bb5-985b-30970635439b.
2026-07-15 15:44:42.408 10 ERROR nova.scheduler.utils [None req-5abc23b2-f979-433c-a875-308aea691e06 5525814023d84fdf9ec29f7e8307ea9c 744e77e5c52847168136f2b8db51e459 - - default default] [instance: 1b18bfb2-da48-4edd-a722-7f6c56873bcd] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1b18bfb2-da48-4edd-a722-7f6c56873bcd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:44:42.409 10 WARNING nova.scheduler.utils [None req-5abc23b2-f979-433c-a875-308aea691e06 5525814023d84fdf9ec29f7e8307ea9c 744e77e5c52847168136f2b8db51e459 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1b18bfb2-da48-4edd-a722-7f6c56873bcd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1b18bfb2-da48-4edd-a722-7f6c56873bcd.
2026-07-15 15:44:42.409 10 WARNING nova.scheduler.utils [None req-5abc23b2-f979-433c-a875-308aea691e06 5525814023d84fdf9ec29f7e8307ea9c 744e77e5c52847168136f2b8db51e459 - - default default] [instance: 1b18bfb2-da48-4edd-a722-7f6c56873bcd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1b18bfb2-da48-4edd-a722-7f6c56873bcd.
2026-07-15 15:44:42.450 10 WARNING neutronclient.v2_0.client [None req-5abc23b2-f979-433c-a875-308aea691e06 5525814023d84fdf9ec29f7e8307ea9c 744e77e5c52847168136f2b8db51e459 - - 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 1b18bfb2-da48-4edd-a722-7f6c56873bcd.
2026-07-15 15:44:42.475 10 WARNING neutronclient.v2_0.client [None req-5abc23b2-f979-433c-a875-308aea691e06 5525814023d84fdf9ec29f7e8307ea9c 744e77e5c52847168136f2b8db51e459 - - 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 1b18bfb2-da48-4edd-a722-7f6c56873bcd.
2026-07-15 15:45:05.575 10 ERROR nova.scheduler.utils [None req-9762937c-cfdb-47a4-93b5-fb140e8e527a 7adaba7801d7472392cba820970332ad 56086b90a87a403d9627297c4ebe588a - - default default] [instance: 2c356972-5bb2-492e-b8bb-49ef53cd2262] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 2c356972-5bb2-492e-b8bb-49ef53cd2262 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:45:05.577 10 WARNING nova.scheduler.utils [None req-9762937c-cfdb-47a4-93b5-fb140e8e527a 7adaba7801d7472392cba820970332ad 56086b90a87a403d9627297c4ebe588a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c356972-5bb2-492e-b8bb-49ef53cd2262.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c356972-5bb2-492e-b8bb-49ef53cd2262.
2026-07-15 15:45:05.577 10 WARNING nova.scheduler.utils [None req-9762937c-cfdb-47a4-93b5-fb140e8e527a 7adaba7801d7472392cba820970332ad 56086b90a87a403d9627297c4ebe588a - - default default] [instance: 2c356972-5bb2-492e-b8bb-49ef53cd2262] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c356972-5bb2-492e-b8bb-49ef53cd2262.
2026-07-15 15:45:05.641 10 WARNING neutronclient.v2_0.client [None req-9762937c-cfdb-47a4-93b5-fb140e8e527a 7adaba7801d7472392cba820970332ad 56086b90a87a403d9627297c4ebe588a - - 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 2c356972-5bb2-492e-b8bb-49ef53cd2262.
2026-07-15 15:45:05.702 10 WARNING neutronclient.v2_0.client [None req-9762937c-cfdb-47a4-93b5-fb140e8e527a 7adaba7801d7472392cba820970332ad 56086b90a87a403d9627297c4ebe588a - - 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 2c356972-5bb2-492e-b8bb-49ef53cd2262.
2026-07-15 15:45:47.525 12 ERROR nova.scheduler.utils [None req-f4e23ac3-dd3a-42dc-b833-533f9a3b109e 45ff487756a54faa93d30590a5f0383b ad5f3aa8164d4ad1ba5b084873720aa7 - - default default] [instance: 2bf15dee-7a28-489e-ae52-0073781c23e5] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 2bf15dee-7a28-489e-ae52-0073781c23e5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:45:47.527 12 WARNING nova.scheduler.utils [None req-f4e23ac3-dd3a-42dc-b833-533f9a3b109e 45ff487756a54faa93d30590a5f0383b ad5f3aa8164d4ad1ba5b084873720aa7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bf15dee-7a28-489e-ae52-0073781c23e5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bf15dee-7a28-489e-ae52-0073781c23e5.
2026-07-15 15:45:47.527 12 WARNING nova.scheduler.utils [None req-f4e23ac3-dd3a-42dc-b833-533f9a3b109e 45ff487756a54faa93d30590a5f0383b ad5f3aa8164d4ad1ba5b084873720aa7 - - default default] [instance: 2bf15dee-7a28-489e-ae52-0073781c23e5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bf15dee-7a28-489e-ae52-0073781c23e5.
2026-07-15 15:45:47.575 12 WARNING neutronclient.v2_0.client [None req-f4e23ac3-dd3a-42dc-b833-533f9a3b109e 45ff487756a54faa93d30590a5f0383b ad5f3aa8164d4ad1ba5b084873720aa7 - - 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 2bf15dee-7a28-489e-ae52-0073781c23e5.
2026-07-15 15:45:47.771 12 WARNING neutronclient.v2_0.client [None req-f4e23ac3-dd3a-42dc-b833-533f9a3b109e 45ff487756a54faa93d30590a5f0383b ad5f3aa8164d4ad1ba5b084873720aa7 - - 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 2bf15dee-7a28-489e-ae52-0073781c23e5.
2026-07-15 15:46:01.655 12 ERROR nova.scheduler.utils [None req-4e88faaa-24b0-4eb4-8a4a-8583b9e0688f f8993723e997457da93a7e77ee2862b1 c22496ad7c124f4686a1eb6b7bb6a351 - - default default] [instance: 1739430f-76d7-4278-b5cb-b91e6286b325] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1739430f-76d7-4278-b5cb-b91e6286b325 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:46:01.656 12 WARNING nova.scheduler.utils [None req-4e88faaa-24b0-4eb4-8a4a-8583b9e0688f f8993723e997457da93a7e77ee2862b1 c22496ad7c124f4686a1eb6b7bb6a351 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1739430f-76d7-4278-b5cb-b91e6286b325.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1739430f-76d7-4278-b5cb-b91e6286b325.
2026-07-15 15:46:01.656 12 WARNING nova.scheduler.utils [None req-4e88faaa-24b0-4eb4-8a4a-8583b9e0688f f8993723e997457da93a7e77ee2862b1 c22496ad7c124f4686a1eb6b7bb6a351 - - default default] [instance: 1739430f-76d7-4278-b5cb-b91e6286b325] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1739430f-76d7-4278-b5cb-b91e6286b325.
2026-07-15 15:46:01.699 12 WARNING neutronclient.v2_0.client [None req-4e88faaa-24b0-4eb4-8a4a-8583b9e0688f f8993723e997457da93a7e77ee2862b1 c22496ad7c124f4686a1eb6b7bb6a351 - - 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 1739430f-76d7-4278-b5cb-b91e6286b325.
2026-07-15 15:46:01.727 12 WARNING neutronclient.v2_0.client [None req-4e88faaa-24b0-4eb4-8a4a-8583b9e0688f f8993723e997457da93a7e77ee2862b1 c22496ad7c124f4686a1eb6b7bb6a351 - - 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 1739430f-76d7-4278-b5cb-b91e6286b325.
2026-07-15 15:46:43.749 10 ERROR nova.scheduler.utils [None req-4afcedfb-5e5c-42c5-8505-2f7e3f19cfd7 99e95571406f43ffbf4494002ef90f08 0118a99df82f4f8aa0959e20681f3b48 - - default default] [instance: 14bcc3a7-6420-4f27-aefb-23f9d29c2f28] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 14bcc3a7-6420-4f27-aefb-23f9d29c2f28 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:46:43.750 10 WARNING nova.scheduler.utils [None req-4afcedfb-5e5c-42c5-8505-2f7e3f19cfd7 99e95571406f43ffbf4494002ef90f08 0118a99df82f4f8aa0959e20681f3b48 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 14bcc3a7-6420-4f27-aefb-23f9d29c2f28.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 14bcc3a7-6420-4f27-aefb-23f9d29c2f28.
2026-07-15 15:46:43.750 10 WARNING nova.scheduler.utils [None req-4afcedfb-5e5c-42c5-8505-2f7e3f19cfd7 99e95571406f43ffbf4494002ef90f08 0118a99df82f4f8aa0959e20681f3b48 - - default default] [instance: 14bcc3a7-6420-4f27-aefb-23f9d29c2f28] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 14bcc3a7-6420-4f27-aefb-23f9d29c2f28.
2026-07-15 15:46:43.796 10 WARNING neutronclient.v2_0.client [None req-4afcedfb-5e5c-42c5-8505-2f7e3f19cfd7 99e95571406f43ffbf4494002ef90f08 0118a99df82f4f8aa0959e20681f3b48 - - 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 14bcc3a7-6420-4f27-aefb-23f9d29c2f28.
2026-07-15 15:46:43.847 10 WARNING neutronclient.v2_0.client [None req-4afcedfb-5e5c-42c5-8505-2f7e3f19cfd7 99e95571406f43ffbf4494002ef90f08 0118a99df82f4f8aa0959e20681f3b48 - - 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 14bcc3a7-6420-4f27-aefb-23f9d29c2f28.
2026-07-15 15:46:49.686 10 ERROR nova.scheduler.utils [None req-e7ccfd6b-f7f9-4086-a384-be1e069b5c98 91f571df2b9d4f809b5e88b60059d6b8 e27ef19f86aa42fc835de8a98a53c42a - - default default] [instance: f53922ee-c272-4af7-84f6-1d0b2a9df08f] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance f53922ee-c272-4af7-84f6-1d0b2a9df08f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:46:49.687 10 WARNING nova.scheduler.utils [None req-e7ccfd6b-f7f9-4086-a384-be1e069b5c98 91f571df2b9d4f809b5e88b60059d6b8 e27ef19f86aa42fc835de8a98a53c42a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f53922ee-c272-4af7-84f6-1d0b2a9df08f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f53922ee-c272-4af7-84f6-1d0b2a9df08f.
2026-07-15 15:46:49.687 10 WARNING nova.scheduler.utils [None req-e7ccfd6b-f7f9-4086-a384-be1e069b5c98 91f571df2b9d4f809b5e88b60059d6b8 e27ef19f86aa42fc835de8a98a53c42a - - default default] [instance: f53922ee-c272-4af7-84f6-1d0b2a9df08f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f53922ee-c272-4af7-84f6-1d0b2a9df08f.
2026-07-15 15:46:49.739 10 WARNING neutronclient.v2_0.client [None req-e7ccfd6b-f7f9-4086-a384-be1e069b5c98 91f571df2b9d4f809b5e88b60059d6b8 e27ef19f86aa42fc835de8a98a53c42a - - 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 f53922ee-c272-4af7-84f6-1d0b2a9df08f.
2026-07-15 15:46:49.783 10 WARNING neutronclient.v2_0.client [None req-e7ccfd6b-f7f9-4086-a384-be1e069b5c98 91f571df2b9d4f809b5e88b60059d6b8 e27ef19f86aa42fc835de8a98a53c42a - - 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 f53922ee-c272-4af7-84f6-1d0b2a9df08f.