+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-16 07:23:18.208 1 INFO nova.utils [None req-927415ad-42bc-407e-823f-530917ffb7df - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-16 07:23:18.366 1 INFO nova.utils [None req-927415ad-42bc-407e-823f-530917ffb7df - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-16 07:23:19.366 1 INFO nova.utils [None req-927415ad-42bc-407e-823f-530917ffb7df - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-16 07:23:19.370 1 WARNING oslo_service.backend._threading.service [None req-927415ad-42bc-407e-823f-530917ffb7df - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-16 07:23:19.381 1 WARNING oslo_config.cfg [None req-927415ad-42bc-407e-823f-530917ffb7df - - - - - -] 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.
2026-07-16 07:23:19.436 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 07:23:19.444 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 08:02:27.328 12 INFO nova.utils [None req-6af72e70-6c10-4739-9898-28994c22b757 fea5d9f040644803b55d458d57a25a08 577a8f593db3400f9e817006799c9570 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-16 08:02:27.477 12 INFO nova.compute.rpcapi [None req-948adc0a-ac80-4591-8ef9-5db7ecd8bd5e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 08:02:34.069 10 INFO nova.utils [None req-81105d91-31a5-403f-9828-7c1a8657d986 cbdc1fd616044fdea6f0c07774d3de2e 5120460593154cab9dfba7918448652a - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-16 08:02:34.229 10 INFO nova.compute.rpcapi [None req-52591554-e311-4cff-b068-7d110d526f59 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 08:02:48.574 12 ERROR nova.scheduler.utils [None req-6af72e70-6c10-4739-9898-28994c22b757 fea5d9f040644803b55d458d57a25a08 577a8f593db3400f9e817006799c9570 - - default default] [instance: 2bf02a7c-d9a0-46f0-9b3d-f9426619377f] 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 2bf02a7c-d9a0-46f0-9b3d-f9426619377f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:02:48.575 12 WARNING nova.scheduler.utils [None req-6af72e70-6c10-4739-9898-28994c22b757 fea5d9f040644803b55d458d57a25a08 577a8f593db3400f9e817006799c9570 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bf02a7c-d9a0-46f0-9b3d-f9426619377f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bf02a7c-d9a0-46f0-9b3d-f9426619377f.
2026-07-16 08:02:48.575 12 WARNING nova.scheduler.utils [None req-6af72e70-6c10-4739-9898-28994c22b757 fea5d9f040644803b55d458d57a25a08 577a8f593db3400f9e817006799c9570 - - default default] [instance: 2bf02a7c-d9a0-46f0-9b3d-f9426619377f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bf02a7c-d9a0-46f0-9b3d-f9426619377f.
2026-07-16 08:02:48.728 12 WARNING neutronclient.v2_0.client [None req-6af72e70-6c10-4739-9898-28994c22b757 fea5d9f040644803b55d458d57a25a08 577a8f593db3400f9e817006799c9570 - - 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 2bf02a7c-d9a0-46f0-9b3d-f9426619377f.
2026-07-16 08:02:49.120 12 WARNING neutronclient.v2_0.client [None req-6af72e70-6c10-4739-9898-28994c22b757 fea5d9f040644803b55d458d57a25a08 577a8f593db3400f9e817006799c9570 - - 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 2bf02a7c-d9a0-46f0-9b3d-f9426619377f.
2026-07-16 08:02:52.545 12 ERROR nova.scheduler.utils [None req-81105d91-31a5-403f-9828-7c1a8657d986 cbdc1fd616044fdea6f0c07774d3de2e 5120460593154cab9dfba7918448652a - - default default] [instance: 692bc28d-fa98-42d5-896f-520068f5e649] 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 692bc28d-fa98-42d5-896f-520068f5e649 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:02:52.546 12 WARNING nova.scheduler.utils [None req-81105d91-31a5-403f-9828-7c1a8657d986 cbdc1fd616044fdea6f0c07774d3de2e 5120460593154cab9dfba7918448652a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 692bc28d-fa98-42d5-896f-520068f5e649.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 692bc28d-fa98-42d5-896f-520068f5e649.
2026-07-16 08:02:52.547 12 WARNING nova.scheduler.utils [None req-81105d91-31a5-403f-9828-7c1a8657d986 cbdc1fd616044fdea6f0c07774d3de2e 5120460593154cab9dfba7918448652a - - default default] [instance: 692bc28d-fa98-42d5-896f-520068f5e649] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 692bc28d-fa98-42d5-896f-520068f5e649.
2026-07-16 08:02:52.617 12 WARNING neutronclient.v2_0.client [None req-81105d91-31a5-403f-9828-7c1a8657d986 cbdc1fd616044fdea6f0c07774d3de2e 5120460593154cab9dfba7918448652a - - 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 692bc28d-fa98-42d5-896f-520068f5e649.
2026-07-16 08:02:52.654 12 WARNING neutronclient.v2_0.client [None req-81105d91-31a5-403f-9828-7c1a8657d986 cbdc1fd616044fdea6f0c07774d3de2e 5120460593154cab9dfba7918448652a - - 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 692bc28d-fa98-42d5-896f-520068f5e649.
2026-07-16 08:02:59.533 10 ERROR nova.scheduler.utils [None req-65741f1f-847b-4895-97ba-33c2505707a9 f6667ad72e0f463f97854ec36e3b4630 ec16adf6072d4ae2833c3bc5187728c5 - - default default] [instance: 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761] 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 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:02:59.534 10 WARNING nova.scheduler.utils [None req-65741f1f-847b-4895-97ba-33c2505707a9 f6667ad72e0f463f97854ec36e3b4630 ec16adf6072d4ae2833c3bc5187728c5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761.
2026-07-16 08:02:59.536 10 WARNING nova.scheduler.utils [None req-65741f1f-847b-4895-97ba-33c2505707a9 f6667ad72e0f463f97854ec36e3b4630 ec16adf6072d4ae2833c3bc5187728c5 - - default default] [instance: 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761.
2026-07-16 08:02:59.655 10 WARNING neutronclient.v2_0.client [None req-65741f1f-847b-4895-97ba-33c2505707a9 f6667ad72e0f463f97854ec36e3b4630 ec16adf6072d4ae2833c3bc5187728c5 - - 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 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761.
2026-07-16 08:03:00.307 10 WARNING neutronclient.v2_0.client [None req-65741f1f-847b-4895-97ba-33c2505707a9 f6667ad72e0f463f97854ec36e3b4630 ec16adf6072d4ae2833c3bc5187728c5 - - 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 7f22b2ed-d347-4bd0-bb29-a6aa5d75e761.
2026-07-16 08:03:07.440 10 ERROR nova.scheduler.utils [None req-e262e296-9886-4e68-bde6-6388b893d257 dc5bc9a5853641139dac109c1e984b4e 845bdfc6077f400293cd75f6ccffbaf5 - - default default] [instance: 357fbef9-5ad9-4eef-815a-ade03939e2d1] 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 357fbef9-5ad9-4eef-815a-ade03939e2d1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:03:07.441 10 WARNING nova.scheduler.utils [None req-e262e296-9886-4e68-bde6-6388b893d257 dc5bc9a5853641139dac109c1e984b4e 845bdfc6077f400293cd75f6ccffbaf5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 357fbef9-5ad9-4eef-815a-ade03939e2d1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 357fbef9-5ad9-4eef-815a-ade03939e2d1.
2026-07-16 08:03:07.442 10 WARNING nova.scheduler.utils [None req-e262e296-9886-4e68-bde6-6388b893d257 dc5bc9a5853641139dac109c1e984b4e 845bdfc6077f400293cd75f6ccffbaf5 - - default default] [instance: 357fbef9-5ad9-4eef-815a-ade03939e2d1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 357fbef9-5ad9-4eef-815a-ade03939e2d1.
2026-07-16 08:03:07.484 10 WARNING neutronclient.v2_0.client [None req-e262e296-9886-4e68-bde6-6388b893d257 dc5bc9a5853641139dac109c1e984b4e 845bdfc6077f400293cd75f6ccffbaf5 - - 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 357fbef9-5ad9-4eef-815a-ade03939e2d1.
2026-07-16 08:03:07.512 10 WARNING neutronclient.v2_0.client [None req-e262e296-9886-4e68-bde6-6388b893d257 dc5bc9a5853641139dac109c1e984b4e 845bdfc6077f400293cd75f6ccffbaf5 - - 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 357fbef9-5ad9-4eef-815a-ade03939e2d1.
2026-07-16 08:03:22.696 12 ERROR nova.scheduler.utils [None req-607f1d64-d983-4e8e-a904-c219d95352a9 a0a77ea72e7f4a55a769bacc7286e719 c2a8724ca97a41bca7ee6f832dd135c6 - - default default] [instance: 2c114c7f-7d67-4df0-bcdc-06f452410560] 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 2c114c7f-7d67-4df0-bcdc-06f452410560 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:03:22.697 12 WARNING nova.scheduler.utils [None req-607f1d64-d983-4e8e-a904-c219d95352a9 a0a77ea72e7f4a55a769bacc7286e719 c2a8724ca97a41bca7ee6f832dd135c6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c114c7f-7d67-4df0-bcdc-06f452410560.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c114c7f-7d67-4df0-bcdc-06f452410560.
2026-07-16 08:03:22.697 12 WARNING nova.scheduler.utils [None req-607f1d64-d983-4e8e-a904-c219d95352a9 a0a77ea72e7f4a55a769bacc7286e719 c2a8724ca97a41bca7ee6f832dd135c6 - - default default] [instance: 2c114c7f-7d67-4df0-bcdc-06f452410560] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c114c7f-7d67-4df0-bcdc-06f452410560.
2026-07-16 08:03:22.740 12 WARNING neutronclient.v2_0.client [None req-607f1d64-d983-4e8e-a904-c219d95352a9 a0a77ea72e7f4a55a769bacc7286e719 c2a8724ca97a41bca7ee6f832dd135c6 - - 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 2c114c7f-7d67-4df0-bcdc-06f452410560.
2026-07-16 08:03:22.773 12 WARNING neutronclient.v2_0.client [None req-607f1d64-d983-4e8e-a904-c219d95352a9 a0a77ea72e7f4a55a769bacc7286e719 c2a8724ca97a41bca7ee6f832dd135c6 - - 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 2c114c7f-7d67-4df0-bcdc-06f452410560.
2026-07-16 08:03:28.258 12 ERROR nova.scheduler.utils [None req-14a494e8-243f-4bc8-b5c8-7ba20ba4d9d8 1700a30496d941d5838616f8f96d2150 069536ac70974313bc110796a1caaece - - default default] [instance: 288213e9-7d53-4dd7-ae8d-009953ba2a8d] 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 288213e9-7d53-4dd7-ae8d-009953ba2a8d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:03:28.259 12 WARNING nova.scheduler.utils [None req-14a494e8-243f-4bc8-b5c8-7ba20ba4d9d8 1700a30496d941d5838616f8f96d2150 069536ac70974313bc110796a1caaece - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 288213e9-7d53-4dd7-ae8d-009953ba2a8d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 288213e9-7d53-4dd7-ae8d-009953ba2a8d.
2026-07-16 08:03:28.259 12 WARNING nova.scheduler.utils [None req-14a494e8-243f-4bc8-b5c8-7ba20ba4d9d8 1700a30496d941d5838616f8f96d2150 069536ac70974313bc110796a1caaece - - default default] [instance: 288213e9-7d53-4dd7-ae8d-009953ba2a8d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 288213e9-7d53-4dd7-ae8d-009953ba2a8d.
2026-07-16 08:03:28.326 12 WARNING neutronclient.v2_0.client [None req-14a494e8-243f-4bc8-b5c8-7ba20ba4d9d8 1700a30496d941d5838616f8f96d2150 069536ac70974313bc110796a1caaece - - 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 288213e9-7d53-4dd7-ae8d-009953ba2a8d.
2026-07-16 08:03:28.354 12 WARNING neutronclient.v2_0.client [None req-14a494e8-243f-4bc8-b5c8-7ba20ba4d9d8 1700a30496d941d5838616f8f96d2150 069536ac70974313bc110796a1caaece - - 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 288213e9-7d53-4dd7-ae8d-009953ba2a8d.
2026-07-16 08:05:05.215 12 ERROR nova.scheduler.utils [None req-4619a6e6-dccc-4597-96d0-44a0ba059b2f e3a7371672e94665a291105d18e3befc 8bc45b4f1dcd4aa7bd97eb3f6fe676a6 - - default default] [instance: a34fcff1-08a7-4db5-902e-ff3ecba6e410] 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 a34fcff1-08a7-4db5-902e-ff3ecba6e410 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:05:05.216 12 WARNING nova.scheduler.utils [None req-4619a6e6-dccc-4597-96d0-44a0ba059b2f e3a7371672e94665a291105d18e3befc 8bc45b4f1dcd4aa7bd97eb3f6fe676a6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a34fcff1-08a7-4db5-902e-ff3ecba6e410.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a34fcff1-08a7-4db5-902e-ff3ecba6e410.
2026-07-16 08:05:05.217 12 WARNING nova.scheduler.utils [None req-4619a6e6-dccc-4597-96d0-44a0ba059b2f e3a7371672e94665a291105d18e3befc 8bc45b4f1dcd4aa7bd97eb3f6fe676a6 - - default default] [instance: a34fcff1-08a7-4db5-902e-ff3ecba6e410] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a34fcff1-08a7-4db5-902e-ff3ecba6e410.
2026-07-16 08:05:05.269 12 WARNING neutronclient.v2_0.client [None req-4619a6e6-dccc-4597-96d0-44a0ba059b2f e3a7371672e94665a291105d18e3befc 8bc45b4f1dcd4aa7bd97eb3f6fe676a6 - - 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 a34fcff1-08a7-4db5-902e-ff3ecba6e410.
2026-07-16 08:05:05.728 12 WARNING neutronclient.v2_0.client [None req-4619a6e6-dccc-4597-96d0-44a0ba059b2f e3a7371672e94665a291105d18e3befc 8bc45b4f1dcd4aa7bd97eb3f6fe676a6 - - 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 a34fcff1-08a7-4db5-902e-ff3ecba6e410.
2026-07-16 08:05:17.838 12 ERROR nova.scheduler.utils [None req-bcd2a76f-dd6a-49a2-9161-545ad94e1a2a 17933546f3f94da293a3d1269a8a68a5 0e737e262a5b45e58ce17a58d2f467c8 - - default default] [instance: 40179bfb-01b1-4329-8f74-425cb450551f] 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 40179bfb-01b1-4329-8f74-425cb450551f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:05:17.839 12 WARNING nova.scheduler.utils [None req-bcd2a76f-dd6a-49a2-9161-545ad94e1a2a 17933546f3f94da293a3d1269a8a68a5 0e737e262a5b45e58ce17a58d2f467c8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40179bfb-01b1-4329-8f74-425cb450551f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40179bfb-01b1-4329-8f74-425cb450551f.
2026-07-16 08:05:17.839 12 WARNING nova.scheduler.utils [None req-bcd2a76f-dd6a-49a2-9161-545ad94e1a2a 17933546f3f94da293a3d1269a8a68a5 0e737e262a5b45e58ce17a58d2f467c8 - - default default] [instance: 40179bfb-01b1-4329-8f74-425cb450551f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40179bfb-01b1-4329-8f74-425cb450551f.
2026-07-16 08:05:17.885 12 WARNING neutronclient.v2_0.client [None req-bcd2a76f-dd6a-49a2-9161-545ad94e1a2a 17933546f3f94da293a3d1269a8a68a5 0e737e262a5b45e58ce17a58d2f467c8 - - 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 40179bfb-01b1-4329-8f74-425cb450551f.
2026-07-16 08:05:17.912 12 WARNING neutronclient.v2_0.client [None req-bcd2a76f-dd6a-49a2-9161-545ad94e1a2a 17933546f3f94da293a3d1269a8a68a5 0e737e262a5b45e58ce17a58d2f467c8 - - 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 40179bfb-01b1-4329-8f74-425cb450551f.
2026-07-16 08:05:29.143 10 ERROR nova.scheduler.utils [None req-fb4664da-f7e2-4230-aae4-aa831973926a 838886c20b6d432b91a7c353e4975d5e 10904e7349d64c66be49a926d6354929 - - default default] [instance: 5ef911f2-ef3e-4941-bea0-49d8a16c38e3] 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 5ef911f2-ef3e-4941-bea0-49d8a16c38e3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:05:29.147 10 WARNING nova.scheduler.utils [None req-fb4664da-f7e2-4230-aae4-aa831973926a 838886c20b6d432b91a7c353e4975d5e 10904e7349d64c66be49a926d6354929 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5ef911f2-ef3e-4941-bea0-49d8a16c38e3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5ef911f2-ef3e-4941-bea0-49d8a16c38e3.
2026-07-16 08:05:29.148 10 WARNING nova.scheduler.utils [None req-fb4664da-f7e2-4230-aae4-aa831973926a 838886c20b6d432b91a7c353e4975d5e 10904e7349d64c66be49a926d6354929 - - default default] [instance: 5ef911f2-ef3e-4941-bea0-49d8a16c38e3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5ef911f2-ef3e-4941-bea0-49d8a16c38e3.
2026-07-16 08:05:29.197 10 WARNING neutronclient.v2_0.client [None req-fb4664da-f7e2-4230-aae4-aa831973926a 838886c20b6d432b91a7c353e4975d5e 10904e7349d64c66be49a926d6354929 - - 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 5ef911f2-ef3e-4941-bea0-49d8a16c38e3.
2026-07-16 08:05:29.397 10 WARNING neutronclient.v2_0.client [None req-fb4664da-f7e2-4230-aae4-aa831973926a 838886c20b6d432b91a7c353e4975d5e 10904e7349d64c66be49a926d6354929 - - 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 5ef911f2-ef3e-4941-bea0-49d8a16c38e3.
2026-07-16 08:07:03.443 12 ERROR nova.scheduler.utils [None req-29c700a7-a083-42a5-b40c-a93dde35b08c 2d37d8261b964fca91ec6b6c6d8c6072 cc27ceab49c349beb7f9c466e3402dc4 - - default default] [instance: 015dcea3-942d-443d-84d4-8b912765039d] 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 015dcea3-942d-443d-84d4-8b912765039d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:07:03.444 12 WARNING nova.scheduler.utils [None req-29c700a7-a083-42a5-b40c-a93dde35b08c 2d37d8261b964fca91ec6b6c6d8c6072 cc27ceab49c349beb7f9c466e3402dc4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 015dcea3-942d-443d-84d4-8b912765039d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 015dcea3-942d-443d-84d4-8b912765039d.
2026-07-16 08:07:03.445 12 WARNING nova.scheduler.utils [None req-29c700a7-a083-42a5-b40c-a93dde35b08c 2d37d8261b964fca91ec6b6c6d8c6072 cc27ceab49c349beb7f9c466e3402dc4 - - default default] [instance: 015dcea3-942d-443d-84d4-8b912765039d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 015dcea3-942d-443d-84d4-8b912765039d.
2026-07-16 08:07:03.485 12 WARNING neutronclient.v2_0.client [None req-29c700a7-a083-42a5-b40c-a93dde35b08c 2d37d8261b964fca91ec6b6c6d8c6072 cc27ceab49c349beb7f9c466e3402dc4 - - 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 015dcea3-942d-443d-84d4-8b912765039d.
2026-07-16 08:07:03.508 12 WARNING neutronclient.v2_0.client [None req-29c700a7-a083-42a5-b40c-a93dde35b08c 2d37d8261b964fca91ec6b6c6d8c6072 cc27ceab49c349beb7f9c466e3402dc4 - - 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 015dcea3-942d-443d-84d4-8b912765039d.