+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-14 11:05:14.799 1 INFO nova.utils [None req-f8cc5a4c-ce3f-444f-a197-fabd1e8d7a3d - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-14 11:05:14.959 1 INFO nova.utils [None req-f8cc5a4c-ce3f-444f-a197-fabd1e8d7a3d - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-14 11:05:15.959 1 INFO nova.utils [None req-f8cc5a4c-ce3f-444f-a197-fabd1e8d7a3d - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-14 11:05:15.962 1 WARNING oslo_service.backend._threading.service [None req-f8cc5a4c-ce3f-444f-a197-fabd1e8d7a3d - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-14 11:05:15.972 1 WARNING oslo_config.cfg [None req-f8cc5a4c-ce3f-444f-a197-fabd1e8d7a3d - - - - - -] 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. 2026-07-14 11:05:16.018 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-14 11:05:16.030 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-14 11:43:10.869 12 INFO nova.utils [None req-5b2f8a42-31d0-4297-9ae9-bc3be5357a29 db3c0074db564b3688965d23a689a58f 1db9e258c53e4b27a7e68ab5142b8fde - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-14 11:43:11.029 12 INFO nova.compute.rpcapi [None req-c14c9128-f2d8-4882-ae27-f9aff25e51f5 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-14 11:43:11.629 10 INFO nova.utils [None req-c2dae21d-7e05-4d9b-975d-17dc0871141f 0a13ea674158441490960e0b4cec6437 7faad17fd0d947f18b3518480f9177ff - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-14 11:43:11.791 10 INFO nova.compute.rpcapi [None req-030d1df6-fa1d-463d-9809-6986750c5a06 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-14 11:43:29.122 12 ERROR nova.scheduler.utils [None req-5b2f8a42-31d0-4297-9ae9-bc3be5357a29 db3c0074db564b3688965d23a689a58f 1db9e258c53e4b27a7e68ab5142b8fde - - default default] [instance: fdf2fc43-f4ea-45a1-86a0-be0f58777b54] 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 fdf2fc43-f4ea-45a1-86a0-be0f58777b54 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:43:29.123 12 WARNING nova.scheduler.utils [None req-5b2f8a42-31d0-4297-9ae9-bc3be5357a29 db3c0074db564b3688965d23a689a58f 1db9e258c53e4b27a7e68ab5142b8fde - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fdf2fc43-f4ea-45a1-86a0-be0f58777b54.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fdf2fc43-f4ea-45a1-86a0-be0f58777b54. 2026-07-14 11:43:29.124 12 WARNING nova.scheduler.utils [None req-5b2f8a42-31d0-4297-9ae9-bc3be5357a29 db3c0074db564b3688965d23a689a58f 1db9e258c53e4b27a7e68ab5142b8fde - - default default] [instance: fdf2fc43-f4ea-45a1-86a0-be0f58777b54] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fdf2fc43-f4ea-45a1-86a0-be0f58777b54. 2026-07-14 11:43:29.222 12 WARNING neutronclient.v2_0.client [None req-5b2f8a42-31d0-4297-9ae9-bc3be5357a29 db3c0074db564b3688965d23a689a58f 1db9e258c53e4b27a7e68ab5142b8fde - - 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 fdf2fc43-f4ea-45a1-86a0-be0f58777b54. 2026-07-14 11:43:29.621 12 WARNING neutronclient.v2_0.client [None req-5b2f8a42-31d0-4297-9ae9-bc3be5357a29 db3c0074db564b3688965d23a689a58f 1db9e258c53e4b27a7e68ab5142b8fde - - 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 fdf2fc43-f4ea-45a1-86a0-be0f58777b54. 2026-07-14 11:43:32.016 10 ERROR nova.scheduler.utils [None req-c2dae21d-7e05-4d9b-975d-17dc0871141f 0a13ea674158441490960e0b4cec6437 7faad17fd0d947f18b3518480f9177ff - - default default] [instance: b0640364-aae4-441d-bbd2-d6657fe25aa3] 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 b0640364-aae4-441d-bbd2-d6657fe25aa3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:43:32.018 10 WARNING nova.scheduler.utils [None req-c2dae21d-7e05-4d9b-975d-17dc0871141f 0a13ea674158441490960e0b4cec6437 7faad17fd0d947f18b3518480f9177ff - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b0640364-aae4-441d-bbd2-d6657fe25aa3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b0640364-aae4-441d-bbd2-d6657fe25aa3. 2026-07-14 11:43:32.019 10 WARNING nova.scheduler.utils [None req-c2dae21d-7e05-4d9b-975d-17dc0871141f 0a13ea674158441490960e0b4cec6437 7faad17fd0d947f18b3518480f9177ff - - default default] [instance: b0640364-aae4-441d-bbd2-d6657fe25aa3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b0640364-aae4-441d-bbd2-d6657fe25aa3. 2026-07-14 11:43:32.123 10 WARNING neutronclient.v2_0.client [None req-c2dae21d-7e05-4d9b-975d-17dc0871141f 0a13ea674158441490960e0b4cec6437 7faad17fd0d947f18b3518480f9177ff - - 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 b0640364-aae4-441d-bbd2-d6657fe25aa3. 2026-07-14 11:43:32.864 10 WARNING neutronclient.v2_0.client [None req-c2dae21d-7e05-4d9b-975d-17dc0871141f 0a13ea674158441490960e0b4cec6437 7faad17fd0d947f18b3518480f9177ff - - 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 b0640364-aae4-441d-bbd2-d6657fe25aa3. 2026-07-14 11:43:42.426 10 ERROR nova.scheduler.utils [None req-6a97bad1-15c8-456a-92a8-cad7b25cc9d2 6708261a038d475994f1cdb7fa1dadbb ef0671f6537d4784bd6a072d1dbdf440 - - default default] [instance: 36e8f5d8-4767-4df1-b6b8-942eaa9d864e] 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 36e8f5d8-4767-4df1-b6b8-942eaa9d864e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:43:42.428 10 WARNING nova.scheduler.utils [None req-6a97bad1-15c8-456a-92a8-cad7b25cc9d2 6708261a038d475994f1cdb7fa1dadbb ef0671f6537d4784bd6a072d1dbdf440 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 36e8f5d8-4767-4df1-b6b8-942eaa9d864e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 36e8f5d8-4767-4df1-b6b8-942eaa9d864e. 2026-07-14 11:43:42.429 10 WARNING nova.scheduler.utils [None req-6a97bad1-15c8-456a-92a8-cad7b25cc9d2 6708261a038d475994f1cdb7fa1dadbb ef0671f6537d4784bd6a072d1dbdf440 - - default default] [instance: 36e8f5d8-4767-4df1-b6b8-942eaa9d864e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 36e8f5d8-4767-4df1-b6b8-942eaa9d864e. 2026-07-14 11:43:42.471 10 WARNING neutronclient.v2_0.client [None req-6a97bad1-15c8-456a-92a8-cad7b25cc9d2 6708261a038d475994f1cdb7fa1dadbb ef0671f6537d4784bd6a072d1dbdf440 - - 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 36e8f5d8-4767-4df1-b6b8-942eaa9d864e. 2026-07-14 11:43:42.504 10 WARNING neutronclient.v2_0.client [None req-6a97bad1-15c8-456a-92a8-cad7b25cc9d2 6708261a038d475994f1cdb7fa1dadbb ef0671f6537d4784bd6a072d1dbdf440 - - 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 36e8f5d8-4767-4df1-b6b8-942eaa9d864e. 2026-07-14 11:43:49.831 12 ERROR nova.scheduler.utils [None req-a79ae105-df78-4511-a931-fa437a1bce4b 648efcee74bf432c82ea6caf5c2b9247 93e0b6635df44c39ad93d375b81d4029 - - default default] [instance: 3b0315c6-4593-4e73-a559-b78b77ed415f] 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 3b0315c6-4593-4e73-a559-b78b77ed415f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:43:49.832 12 WARNING nova.scheduler.utils [None req-a79ae105-df78-4511-a931-fa437a1bce4b 648efcee74bf432c82ea6caf5c2b9247 93e0b6635df44c39ad93d375b81d4029 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b0315c6-4593-4e73-a559-b78b77ed415f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b0315c6-4593-4e73-a559-b78b77ed415f. 2026-07-14 11:43:49.832 12 WARNING nova.scheduler.utils [None req-a79ae105-df78-4511-a931-fa437a1bce4b 648efcee74bf432c82ea6caf5c2b9247 93e0b6635df44c39ad93d375b81d4029 - - default default] [instance: 3b0315c6-4593-4e73-a559-b78b77ed415f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b0315c6-4593-4e73-a559-b78b77ed415f. 2026-07-14 11:43:49.890 12 WARNING neutronclient.v2_0.client [None req-a79ae105-df78-4511-a931-fa437a1bce4b 648efcee74bf432c82ea6caf5c2b9247 93e0b6635df44c39ad93d375b81d4029 - - 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 3b0315c6-4593-4e73-a559-b78b77ed415f. 2026-07-14 11:43:49.919 12 WARNING neutronclient.v2_0.client [None req-a79ae105-df78-4511-a931-fa437a1bce4b 648efcee74bf432c82ea6caf5c2b9247 93e0b6635df44c39ad93d375b81d4029 - - 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 3b0315c6-4593-4e73-a559-b78b77ed415f. 2026-07-14 11:44:22.096 10 ERROR nova.scheduler.utils [None req-46364ec3-bf4a-49b2-870b-9494f071a486 ff07d849e1594cce91a2339d57f6bf82 8c108047cdb7432e9b5e523c47dee047 - - default default] [instance: 95e3896a-2397-4dd4-b15b-1a3ae45d21e2] 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 95e3896a-2397-4dd4-b15b-1a3ae45d21e2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:44:22.098 10 WARNING nova.scheduler.utils [None req-46364ec3-bf4a-49b2-870b-9494f071a486 ff07d849e1594cce91a2339d57f6bf82 8c108047cdb7432e9b5e523c47dee047 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95e3896a-2397-4dd4-b15b-1a3ae45d21e2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95e3896a-2397-4dd4-b15b-1a3ae45d21e2. 2026-07-14 11:44:22.098 10 WARNING nova.scheduler.utils [None req-46364ec3-bf4a-49b2-870b-9494f071a486 ff07d849e1594cce91a2339d57f6bf82 8c108047cdb7432e9b5e523c47dee047 - - default default] [instance: 95e3896a-2397-4dd4-b15b-1a3ae45d21e2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95e3896a-2397-4dd4-b15b-1a3ae45d21e2. 2026-07-14 11:44:22.143 10 WARNING neutronclient.v2_0.client [None req-46364ec3-bf4a-49b2-870b-9494f071a486 ff07d849e1594cce91a2339d57f6bf82 8c108047cdb7432e9b5e523c47dee047 - - 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 95e3896a-2397-4dd4-b15b-1a3ae45d21e2. 2026-07-14 11:44:22.232 10 WARNING neutronclient.v2_0.client [None req-46364ec3-bf4a-49b2-870b-9494f071a486 ff07d849e1594cce91a2339d57f6bf82 8c108047cdb7432e9b5e523c47dee047 - - 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 95e3896a-2397-4dd4-b15b-1a3ae45d21e2. 2026-07-14 11:44:59.758 10 ERROR nova.scheduler.utils [None req-73947e16-5a1f-4411-ab75-f82f82711c49 175a63cb99b14c54bbc4925f9304622b 1d39131552384aba8ca89b16c532d205 - - default default] [instance: fe8a8614-03be-4b99-8366-d8855ca3f209] 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 fe8a8614-03be-4b99-8366-d8855ca3f209 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:44:59.760 10 WARNING nova.scheduler.utils [None req-73947e16-5a1f-4411-ab75-f82f82711c49 175a63cb99b14c54bbc4925f9304622b 1d39131552384aba8ca89b16c532d205 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe8a8614-03be-4b99-8366-d8855ca3f209.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe8a8614-03be-4b99-8366-d8855ca3f209. 2026-07-14 11:44:59.760 10 WARNING nova.scheduler.utils [None req-73947e16-5a1f-4411-ab75-f82f82711c49 175a63cb99b14c54bbc4925f9304622b 1d39131552384aba8ca89b16c532d205 - - default default] [instance: fe8a8614-03be-4b99-8366-d8855ca3f209] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe8a8614-03be-4b99-8366-d8855ca3f209. 2026-07-14 11:44:59.801 10 WARNING neutronclient.v2_0.client [None req-73947e16-5a1f-4411-ab75-f82f82711c49 175a63cb99b14c54bbc4925f9304622b 1d39131552384aba8ca89b16c532d205 - - 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 fe8a8614-03be-4b99-8366-d8855ca3f209. 2026-07-14 11:44:59.968 10 WARNING neutronclient.v2_0.client [None req-73947e16-5a1f-4411-ab75-f82f82711c49 175a63cb99b14c54bbc4925f9304622b 1d39131552384aba8ca89b16c532d205 - - 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 fe8a8614-03be-4b99-8366-d8855ca3f209. 2026-07-14 11:45:24.762 12 ERROR nova.scheduler.utils [None req-fedb9a5e-8454-41c3-83e1-eaaeba3e361c 47ef3e348f084991a525a36e5a1343e3 25ad257540a747e18d68d407222b955d - - default default] [instance: ed068db7-fd36-4ce1-a019-8d52184aeaac] 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 ed068db7-fd36-4ce1-a019-8d52184aeaac was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:45:24.775 12 WARNING nova.scheduler.utils [None req-fedb9a5e-8454-41c3-83e1-eaaeba3e361c 47ef3e348f084991a525a36e5a1343e3 25ad257540a747e18d68d407222b955d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ed068db7-fd36-4ce1-a019-8d52184aeaac.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ed068db7-fd36-4ce1-a019-8d52184aeaac. 2026-07-14 11:45:24.776 12 WARNING nova.scheduler.utils [None req-fedb9a5e-8454-41c3-83e1-eaaeba3e361c 47ef3e348f084991a525a36e5a1343e3 25ad257540a747e18d68d407222b955d - - default default] [instance: ed068db7-fd36-4ce1-a019-8d52184aeaac] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ed068db7-fd36-4ce1-a019-8d52184aeaac. 2026-07-14 11:45:24.825 12 WARNING neutronclient.v2_0.client [None req-fedb9a5e-8454-41c3-83e1-eaaeba3e361c 47ef3e348f084991a525a36e5a1343e3 25ad257540a747e18d68d407222b955d - - 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 ed068db7-fd36-4ce1-a019-8d52184aeaac. 2026-07-14 11:45:24.854 12 WARNING neutronclient.v2_0.client [None req-fedb9a5e-8454-41c3-83e1-eaaeba3e361c 47ef3e348f084991a525a36e5a1343e3 25ad257540a747e18d68d407222b955d - - 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 ed068db7-fd36-4ce1-a019-8d52184aeaac. 2026-07-14 11:45:59.790 12 ERROR nova.scheduler.utils [None req-89174a66-04ff-4ce7-a2eb-0868a53d918e 62389fbcc69442969058b2e0f52f3542 5f054f41c2544f169c2b93d46ba71bc8 - - default default] [instance: 40fa4776-b026-4207-91b5-14fe898d5faa] 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 40fa4776-b026-4207-91b5-14fe898d5faa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:45:59.792 12 WARNING nova.scheduler.utils [None req-89174a66-04ff-4ce7-a2eb-0868a53d918e 62389fbcc69442969058b2e0f52f3542 5f054f41c2544f169c2b93d46ba71bc8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40fa4776-b026-4207-91b5-14fe898d5faa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40fa4776-b026-4207-91b5-14fe898d5faa. 2026-07-14 11:45:59.792 12 WARNING nova.scheduler.utils [None req-89174a66-04ff-4ce7-a2eb-0868a53d918e 62389fbcc69442969058b2e0f52f3542 5f054f41c2544f169c2b93d46ba71bc8 - - default default] [instance: 40fa4776-b026-4207-91b5-14fe898d5faa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40fa4776-b026-4207-91b5-14fe898d5faa. 2026-07-14 11:45:59.840 12 WARNING neutronclient.v2_0.client [None req-89174a66-04ff-4ce7-a2eb-0868a53d918e 62389fbcc69442969058b2e0f52f3542 5f054f41c2544f169c2b93d46ba71bc8 - - 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 40fa4776-b026-4207-91b5-14fe898d5faa. 2026-07-14 11:45:59.867 12 WARNING neutronclient.v2_0.client [None req-89174a66-04ff-4ce7-a2eb-0868a53d918e 62389fbcc69442969058b2e0f52f3542 5f054f41c2544f169c2b93d46ba71bc8 - - 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 40fa4776-b026-4207-91b5-14fe898d5faa. 2026-07-14 11:46:44.017 10 ERROR nova.scheduler.utils [None req-24bc67e0-14e8-4bbf-8fef-90ffed7aface ee98ac7301b1422c8a3bdf5051f4887e 58ab6a9eb02f414f8a1b7545950c497d - - default default] [instance: 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084] 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 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:46:44.018 10 WARNING nova.scheduler.utils [None req-24bc67e0-14e8-4bbf-8fef-90ffed7aface ee98ac7301b1422c8a3bdf5051f4887e 58ab6a9eb02f414f8a1b7545950c497d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084. 2026-07-14 11:46:44.019 10 WARNING nova.scheduler.utils [None req-24bc67e0-14e8-4bbf-8fef-90ffed7aface ee98ac7301b1422c8a3bdf5051f4887e 58ab6a9eb02f414f8a1b7545950c497d - - default default] [instance: 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084. 2026-07-14 11:46:44.064 10 WARNING neutronclient.v2_0.client [None req-24bc67e0-14e8-4bbf-8fef-90ffed7aface ee98ac7301b1422c8a3bdf5051f4887e 58ab6a9eb02f414f8a1b7545950c497d - - 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 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084. 2026-07-14 11:46:44.088 10 WARNING neutronclient.v2_0.client [None req-24bc67e0-14e8-4bbf-8fef-90ffed7aface ee98ac7301b1422c8a3bdf5051f4887e 58ab6a9eb02f414f8a1b7545950c497d - - 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 2d9cc9aa-4c0a-4e61-a2e2-b6291a150084. 2026-07-14 11:47:44.097 10 ERROR nova.scheduler.utils [None req-652e02a5-5bac-4a2f-b4c5-a9f9006ae75b 3e90e1ff4d834016ab5c730a2233800b 0e838f7e39854c5ca6b09816672165cf - - default default] [instance: fb96015f-5abf-4eb5-b0bb-b109b3713332] 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 fb96015f-5abf-4eb5-b0bb-b109b3713332 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:47:44.098 10 WARNING nova.scheduler.utils [None req-652e02a5-5bac-4a2f-b4c5-a9f9006ae75b 3e90e1ff4d834016ab5c730a2233800b 0e838f7e39854c5ca6b09816672165cf - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fb96015f-5abf-4eb5-b0bb-b109b3713332.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fb96015f-5abf-4eb5-b0bb-b109b3713332. 2026-07-14 11:47:44.098 10 WARNING nova.scheduler.utils [None req-652e02a5-5bac-4a2f-b4c5-a9f9006ae75b 3e90e1ff4d834016ab5c730a2233800b 0e838f7e39854c5ca6b09816672165cf - - default default] [instance: fb96015f-5abf-4eb5-b0bb-b109b3713332] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fb96015f-5abf-4eb5-b0bb-b109b3713332. 2026-07-14 11:47:44.149 10 WARNING neutronclient.v2_0.client [None req-652e02a5-5bac-4a2f-b4c5-a9f9006ae75b 3e90e1ff4d834016ab5c730a2233800b 0e838f7e39854c5ca6b09816672165cf - - 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 fb96015f-5abf-4eb5-b0bb-b109b3713332. 2026-07-14 11:47:44.185 10 WARNING neutronclient.v2_0.client [None req-652e02a5-5bac-4a2f-b4c5-a9f9006ae75b 3e90e1ff4d834016ab5c730a2233800b 0e838f7e39854c5ca6b09816672165cf - - 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 fb96015f-5abf-4eb5-b0bb-b109b3713332.