+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-15 05:29:54.652 1 INFO nova.utils [None req-ee052dee-166f-447f-b0e6-abb48abdbf09 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-15 05:29:54.833 1 INFO nova.utils [None req-ee052dee-166f-447f-b0e6-abb48abdbf09 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-15 05:29:55.833 1 INFO nova.utils [None req-ee052dee-166f-447f-b0e6-abb48abdbf09 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-15 05:29:55.837 1 WARNING oslo_service.backend._threading.service [None req-ee052dee-166f-447f-b0e6-abb48abdbf09 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-15 05:29:55.846 1 WARNING oslo_config.cfg [None req-ee052dee-166f-447f-b0e6-abb48abdbf09 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal ( Support for image service configuration via standard keystoneauth1 Adapter options was added in the 17.0.0 Queens release. The api_servers option was retained temporarily to allow consumers time to cut over to a real load balancing solution. ). Its value may be silently ignored in the future. 2026-07-15 05:29:55.895 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-15 05:29:55.910 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-15 06:11:26.140 10 INFO nova.utils [None req-b12c0388-6ed4-4693-bb56-86ccf7d67d6b d4ba5e8710f545649de8d01aeec77bc9 be2377d02841491a8f6942d33d7ae704 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-15 06:11:26.381 10 INFO nova.compute.rpcapi [None req-95df63d4-e7c8-4e06-8393-73a6b69d18aa - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-15 06:11:34.116 12 INFO nova.utils [None req-f69e2c3a-18e8-44c4-95b3-5ce3caf22e12 ebffd9c522e24c39b0471c661e29c998 dd04663a694c4bdca7c11c75209893cb - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-15 06:11:34.316 12 INFO nova.compute.rpcapi [None req-c4bcece3-6887-4b27-9f5f-4b3798eceebc - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-15 06:11:41.878 12 ERROR nova.scheduler.utils [None req-b12c0388-6ed4-4693-bb56-86ccf7d67d6b d4ba5e8710f545649de8d01aeec77bc9 be2377d02841491a8f6942d33d7ae704 - - default default] [instance: 920fdbba-a8da-4829-a4ce-ae31d662e3eb] 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 920fdbba-a8da-4829-a4ce-ae31d662e3eb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:11:41.879 12 WARNING nova.scheduler.utils [None req-b12c0388-6ed4-4693-bb56-86ccf7d67d6b d4ba5e8710f545649de8d01aeec77bc9 be2377d02841491a8f6942d33d7ae704 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 920fdbba-a8da-4829-a4ce-ae31d662e3eb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 920fdbba-a8da-4829-a4ce-ae31d662e3eb. 2026-07-15 06:11:41.879 12 WARNING nova.scheduler.utils [None req-b12c0388-6ed4-4693-bb56-86ccf7d67d6b d4ba5e8710f545649de8d01aeec77bc9 be2377d02841491a8f6942d33d7ae704 - - default default] [instance: 920fdbba-a8da-4829-a4ce-ae31d662e3eb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 920fdbba-a8da-4829-a4ce-ae31d662e3eb. 2026-07-15 06:11:41.977 12 WARNING neutronclient.v2_0.client [None req-b12c0388-6ed4-4693-bb56-86ccf7d67d6b d4ba5e8710f545649de8d01aeec77bc9 be2377d02841491a8f6942d33d7ae704 - - 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 920fdbba-a8da-4829-a4ce-ae31d662e3eb. 2026-07-15 06:11:42.624 12 WARNING neutronclient.v2_0.client [None req-b12c0388-6ed4-4693-bb56-86ccf7d67d6b d4ba5e8710f545649de8d01aeec77bc9 be2377d02841491a8f6942d33d7ae704 - - 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 920fdbba-a8da-4829-a4ce-ae31d662e3eb. 2026-07-15 06:11:51.518 10 ERROR nova.scheduler.utils [None req-f69e2c3a-18e8-44c4-95b3-5ce3caf22e12 ebffd9c522e24c39b0471c661e29c998 dd04663a694c4bdca7c11c75209893cb - - default default] [instance: 6241357d-770a-4bc7-af0c-3eeef52344ea] 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 6241357d-770a-4bc7-af0c-3eeef52344ea was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:11:51.519 10 WARNING nova.scheduler.utils [None req-f69e2c3a-18e8-44c4-95b3-5ce3caf22e12 ebffd9c522e24c39b0471c661e29c998 dd04663a694c4bdca7c11c75209893cb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6241357d-770a-4bc7-af0c-3eeef52344ea.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6241357d-770a-4bc7-af0c-3eeef52344ea. 2026-07-15 06:11:51.520 10 WARNING nova.scheduler.utils [None req-f69e2c3a-18e8-44c4-95b3-5ce3caf22e12 ebffd9c522e24c39b0471c661e29c998 dd04663a694c4bdca7c11c75209893cb - - default default] [instance: 6241357d-770a-4bc7-af0c-3eeef52344ea] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6241357d-770a-4bc7-af0c-3eeef52344ea. 2026-07-15 06:11:51.631 10 WARNING neutronclient.v2_0.client [None req-f69e2c3a-18e8-44c4-95b3-5ce3caf22e12 ebffd9c522e24c39b0471c661e29c998 dd04663a694c4bdca7c11c75209893cb - - 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 6241357d-770a-4bc7-af0c-3eeef52344ea. 2026-07-15 06:11:52.314 10 WARNING neutronclient.v2_0.client [None req-f69e2c3a-18e8-44c4-95b3-5ce3caf22e12 ebffd9c522e24c39b0471c661e29c998 dd04663a694c4bdca7c11c75209893cb - - 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 6241357d-770a-4bc7-af0c-3eeef52344ea. 2026-07-15 06:12:11.628 12 ERROR nova.scheduler.utils [None req-4101d04f-8cf0-4121-a4e2-55eef79a298c 07c35e76ee2045f2bcec4ce5544e4641 baae15f5b2044faf90742714c3f9b242 - - default default] [instance: 1ab4e399-effc-4e24-9513-1b4f42ef3363] 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 1ab4e399-effc-4e24-9513-1b4f42ef3363 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:12:11.630 12 WARNING nova.scheduler.utils [None req-4101d04f-8cf0-4121-a4e2-55eef79a298c 07c35e76ee2045f2bcec4ce5544e4641 baae15f5b2044faf90742714c3f9b242 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1ab4e399-effc-4e24-9513-1b4f42ef3363.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1ab4e399-effc-4e24-9513-1b4f42ef3363. 2026-07-15 06:12:11.630 12 WARNING nova.scheduler.utils [None req-4101d04f-8cf0-4121-a4e2-55eef79a298c 07c35e76ee2045f2bcec4ce5544e4641 baae15f5b2044faf90742714c3f9b242 - - default default] [instance: 1ab4e399-effc-4e24-9513-1b4f42ef3363] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1ab4e399-effc-4e24-9513-1b4f42ef3363. 2026-07-15 06:12:11.673 12 WARNING neutronclient.v2_0.client [None req-4101d04f-8cf0-4121-a4e2-55eef79a298c 07c35e76ee2045f2bcec4ce5544e4641 baae15f5b2044faf90742714c3f9b242 - - 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 1ab4e399-effc-4e24-9513-1b4f42ef3363. 2026-07-15 06:12:12.166 12 WARNING neutronclient.v2_0.client [None req-4101d04f-8cf0-4121-a4e2-55eef79a298c 07c35e76ee2045f2bcec4ce5544e4641 baae15f5b2044faf90742714c3f9b242 - - 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 1ab4e399-effc-4e24-9513-1b4f42ef3363. 2026-07-15 06:12:47.022 10 ERROR nova.scheduler.utils [None req-cb12fc58-59b5-4802-81cb-d62fa515d14a f47839c77f3340578e5f71d02ce19851 7dd99a17573a461eb67eb5cfd35770ef - - default default] [instance: c92612b8-6c30-4ea0-8cc5-85af869dd41a] 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 c92612b8-6c30-4ea0-8cc5-85af869dd41a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:12:47.023 10 WARNING nova.scheduler.utils [None req-cb12fc58-59b5-4802-81cb-d62fa515d14a f47839c77f3340578e5f71d02ce19851 7dd99a17573a461eb67eb5cfd35770ef - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c92612b8-6c30-4ea0-8cc5-85af869dd41a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c92612b8-6c30-4ea0-8cc5-85af869dd41a. 2026-07-15 06:12:47.024 10 WARNING nova.scheduler.utils [None req-cb12fc58-59b5-4802-81cb-d62fa515d14a f47839c77f3340578e5f71d02ce19851 7dd99a17573a461eb67eb5cfd35770ef - - default default] [instance: c92612b8-6c30-4ea0-8cc5-85af869dd41a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c92612b8-6c30-4ea0-8cc5-85af869dd41a. 2026-07-15 06:12:47.076 10 WARNING neutronclient.v2_0.client [None req-cb12fc58-59b5-4802-81cb-d62fa515d14a f47839c77f3340578e5f71d02ce19851 7dd99a17573a461eb67eb5cfd35770ef - - 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 c92612b8-6c30-4ea0-8cc5-85af869dd41a. 2026-07-15 06:12:47.121 10 WARNING neutronclient.v2_0.client [None req-cb12fc58-59b5-4802-81cb-d62fa515d14a f47839c77f3340578e5f71d02ce19851 7dd99a17573a461eb67eb5cfd35770ef - - 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 c92612b8-6c30-4ea0-8cc5-85af869dd41a. 2026-07-15 06:13:14.965 12 ERROR nova.scheduler.utils [None req-4caabc2c-3065-42b6-b6e5-7958be6410af c773df65fbdc4948b38a44181c2cb0e0 0a2cc1a3b95d4971b3c8cb2eb7a7d112 - - default default] [instance: 54e16a54-7fea-4a8d-886f-5682cfe35e3f] 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 54e16a54-7fea-4a8d-886f-5682cfe35e3f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:13:14.966 12 WARNING nova.scheduler.utils [None req-4caabc2c-3065-42b6-b6e5-7958be6410af c773df65fbdc4948b38a44181c2cb0e0 0a2cc1a3b95d4971b3c8cb2eb7a7d112 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 54e16a54-7fea-4a8d-886f-5682cfe35e3f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 54e16a54-7fea-4a8d-886f-5682cfe35e3f. 2026-07-15 06:13:14.966 12 WARNING nova.scheduler.utils [None req-4caabc2c-3065-42b6-b6e5-7958be6410af c773df65fbdc4948b38a44181c2cb0e0 0a2cc1a3b95d4971b3c8cb2eb7a7d112 - - default default] [instance: 54e16a54-7fea-4a8d-886f-5682cfe35e3f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 54e16a54-7fea-4a8d-886f-5682cfe35e3f. 2026-07-15 06:13:15.013 12 WARNING neutronclient.v2_0.client [None req-4caabc2c-3065-42b6-b6e5-7958be6410af c773df65fbdc4948b38a44181c2cb0e0 0a2cc1a3b95d4971b3c8cb2eb7a7d112 - - 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 54e16a54-7fea-4a8d-886f-5682cfe35e3f. 2026-07-15 06:13:15.114 12 WARNING neutronclient.v2_0.client [None req-4caabc2c-3065-42b6-b6e5-7958be6410af c773df65fbdc4948b38a44181c2cb0e0 0a2cc1a3b95d4971b3c8cb2eb7a7d112 - - 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 54e16a54-7fea-4a8d-886f-5682cfe35e3f. 2026-07-15 06:13:38.118 12 ERROR nova.scheduler.utils [None req-8c7d8260-68e6-44b6-946b-31f40aef82f0 36b259369e7b4b42b58197da45ccf9cc edfdfde4f4b44c068dd1539f534fc2df - - default default] [instance: 2e90488d-5599-42d9-ad04-bb0cdebc4e9e] 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 2e90488d-5599-42d9-ad04-bb0cdebc4e9e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:13:38.120 12 WARNING nova.scheduler.utils [None req-8c7d8260-68e6-44b6-946b-31f40aef82f0 36b259369e7b4b42b58197da45ccf9cc edfdfde4f4b44c068dd1539f534fc2df - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e90488d-5599-42d9-ad04-bb0cdebc4e9e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e90488d-5599-42d9-ad04-bb0cdebc4e9e. 2026-07-15 06:13:38.121 12 WARNING nova.scheduler.utils [None req-8c7d8260-68e6-44b6-946b-31f40aef82f0 36b259369e7b4b42b58197da45ccf9cc edfdfde4f4b44c068dd1539f534fc2df - - default default] [instance: 2e90488d-5599-42d9-ad04-bb0cdebc4e9e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e90488d-5599-42d9-ad04-bb0cdebc4e9e. 2026-07-15 06:13:38.178 12 WARNING neutronclient.v2_0.client [None req-8c7d8260-68e6-44b6-946b-31f40aef82f0 36b259369e7b4b42b58197da45ccf9cc edfdfde4f4b44c068dd1539f534fc2df - - 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 2e90488d-5599-42d9-ad04-bb0cdebc4e9e. 2026-07-15 06:13:38.205 12 WARNING neutronclient.v2_0.client [None req-8c7d8260-68e6-44b6-946b-31f40aef82f0 36b259369e7b4b42b58197da45ccf9cc edfdfde4f4b44c068dd1539f534fc2df - - 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 2e90488d-5599-42d9-ad04-bb0cdebc4e9e. 2026-07-15 06:13:42.676 10 ERROR nova.scheduler.utils [None req-55916e8c-e15c-4baa-9a3e-3784f86b2bab f517a56e9758424aa729f16b89d2f810 a54bbd6dadba453bb6d511de66151123 - - default default] [instance: 754efaf4-b542-42d1-b1ce-a1fa92ebe963] 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 754efaf4-b542-42d1-b1ce-a1fa92ebe963 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:13:42.677 10 WARNING nova.scheduler.utils [None req-55916e8c-e15c-4baa-9a3e-3784f86b2bab f517a56e9758424aa729f16b89d2f810 a54bbd6dadba453bb6d511de66151123 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 754efaf4-b542-42d1-b1ce-a1fa92ebe963.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 754efaf4-b542-42d1-b1ce-a1fa92ebe963. 2026-07-15 06:13:42.677 10 WARNING nova.scheduler.utils [None req-55916e8c-e15c-4baa-9a3e-3784f86b2bab f517a56e9758424aa729f16b89d2f810 a54bbd6dadba453bb6d511de66151123 - - default default] [instance: 754efaf4-b542-42d1-b1ce-a1fa92ebe963] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 754efaf4-b542-42d1-b1ce-a1fa92ebe963. 2026-07-15 06:13:42.727 10 WARNING neutronclient.v2_0.client [None req-55916e8c-e15c-4baa-9a3e-3784f86b2bab f517a56e9758424aa729f16b89d2f810 a54bbd6dadba453bb6d511de66151123 - - 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 754efaf4-b542-42d1-b1ce-a1fa92ebe963. 2026-07-15 06:13:42.901 10 WARNING neutronclient.v2_0.client [None req-55916e8c-e15c-4baa-9a3e-3784f86b2bab f517a56e9758424aa729f16b89d2f810 a54bbd6dadba453bb6d511de66151123 - - 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 754efaf4-b542-42d1-b1ce-a1fa92ebe963. 2026-07-15 06:13:54.438 12 ERROR nova.scheduler.utils [None req-23ba3afb-9907-4afa-8d01-5c743b05dddc 05e9565a68314931bb4cfdfb37e04b13 1f87cd038a3644e5b275ab1275cb0b1b - - default default] [instance: 7c483315-fd40-417a-a75b-f3898b6f8689] 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 7c483315-fd40-417a-a75b-f3898b6f8689 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:13:54.439 12 WARNING nova.scheduler.utils [None req-23ba3afb-9907-4afa-8d01-5c743b05dddc 05e9565a68314931bb4cfdfb37e04b13 1f87cd038a3644e5b275ab1275cb0b1b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c483315-fd40-417a-a75b-f3898b6f8689.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c483315-fd40-417a-a75b-f3898b6f8689. 2026-07-15 06:13:54.440 12 WARNING nova.scheduler.utils [None req-23ba3afb-9907-4afa-8d01-5c743b05dddc 05e9565a68314931bb4cfdfb37e04b13 1f87cd038a3644e5b275ab1275cb0b1b - - default default] [instance: 7c483315-fd40-417a-a75b-f3898b6f8689] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c483315-fd40-417a-a75b-f3898b6f8689. 2026-07-15 06:13:54.513 12 WARNING neutronclient.v2_0.client [None req-23ba3afb-9907-4afa-8d01-5c743b05dddc 05e9565a68314931bb4cfdfb37e04b13 1f87cd038a3644e5b275ab1275cb0b1b - - 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 7c483315-fd40-417a-a75b-f3898b6f8689. 2026-07-15 06:13:54.560 12 WARNING neutronclient.v2_0.client [None req-23ba3afb-9907-4afa-8d01-5c743b05dddc 05e9565a68314931bb4cfdfb37e04b13 1f87cd038a3644e5b275ab1275cb0b1b - - 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 7c483315-fd40-417a-a75b-f3898b6f8689. 2026-07-15 06:14:40.752 12 ERROR nova.scheduler.utils [None req-03ce2132-32d1-4b70-a959-d919e9027b55 c0b3e91bffbe495a8333aaf6df598ac6 1bd654a1490a455fab23c965226b2cd4 - - default default] [instance: d6918d13-b3ea-477b-b9e5-9ab5851177b5] 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 d6918d13-b3ea-477b-b9e5-9ab5851177b5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:14:40.753 12 WARNING nova.scheduler.utils [None req-03ce2132-32d1-4b70-a959-d919e9027b55 c0b3e91bffbe495a8333aaf6df598ac6 1bd654a1490a455fab23c965226b2cd4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d6918d13-b3ea-477b-b9e5-9ab5851177b5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d6918d13-b3ea-477b-b9e5-9ab5851177b5. 2026-07-15 06:14:40.753 12 WARNING nova.scheduler.utils [None req-03ce2132-32d1-4b70-a959-d919e9027b55 c0b3e91bffbe495a8333aaf6df598ac6 1bd654a1490a455fab23c965226b2cd4 - - default default] [instance: d6918d13-b3ea-477b-b9e5-9ab5851177b5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d6918d13-b3ea-477b-b9e5-9ab5851177b5. 2026-07-15 06:14:40.796 12 WARNING neutronclient.v2_0.client [None req-03ce2132-32d1-4b70-a959-d919e9027b55 c0b3e91bffbe495a8333aaf6df598ac6 1bd654a1490a455fab23c965226b2cd4 - - 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 d6918d13-b3ea-477b-b9e5-9ab5851177b5. 2026-07-15 06:14:40.824 12 WARNING neutronclient.v2_0.client [None req-03ce2132-32d1-4b70-a959-d919e9027b55 c0b3e91bffbe495a8333aaf6df598ac6 1bd654a1490a455fab23c965226b2cd4 - - 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 d6918d13-b3ea-477b-b9e5-9ab5851177b5. 2026-07-15 06:15:02.427 12 ERROR nova.scheduler.utils [None req-fda17274-d977-47a9-824b-84c6c6008d9e 850e323ccac746e1a7c11c8fda5f3875 5683aac0867649bab7fe04048fc7bc52 - - default default] [instance: 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4] 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 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 06:15:02.429 12 WARNING nova.scheduler.utils [None req-fda17274-d977-47a9-824b-84c6c6008d9e 850e323ccac746e1a7c11c8fda5f3875 5683aac0867649bab7fe04048fc7bc52 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4. 2026-07-15 06:15:02.429 12 WARNING nova.scheduler.utils [None req-fda17274-d977-47a9-824b-84c6c6008d9e 850e323ccac746e1a7c11c8fda5f3875 5683aac0867649bab7fe04048fc7bc52 - - default default] [instance: 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4. 2026-07-15 06:15:02.481 12 WARNING neutronclient.v2_0.client [None req-fda17274-d977-47a9-824b-84c6c6008d9e 850e323ccac746e1a7c11c8fda5f3875 5683aac0867649bab7fe04048fc7bc52 - - 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 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4. 2026-07-15 06:15:02.508 12 WARNING neutronclient.v2_0.client [None req-fda17274-d977-47a9-824b-84c6c6008d9e 850e323ccac746e1a7c11c8fda5f3875 5683aac0867649bab7fe04048fc7bc52 - - 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 202bd7e5-0d55-4d6b-86f7-609e74fd2ca4.