+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-09-17 04:46:19.613 1 INFO nova.utils [None req-c36bfa47-8ba2-4aae-9bd0-ff96ddc6ed74 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-09-17 04:46:19.798 1 INFO nova.utils [None req-c36bfa47-8ba2-4aae-9bd0-ff96ddc6ed74 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-09-17 04:46:20.795 1 INFO nova.utils [None req-c36bfa47-8ba2-4aae-9bd0-ff96ddc6ed74 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-09-17 04:46:20.798 1 WARNING oslo_service.backend._threading.service [None req-c36bfa47-8ba2-4aae-9bd0-ff96ddc6ed74 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-09-17 04:46:20.806 1 WARNING oslo_config.cfg [None req-c36bfa47-8ba2-4aae-9bd0-ff96ddc6ed74 - - - - - -] 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. 2026-09-17 04:46:20.848 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-17 04:46:20.871 13 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-17 05:27:04.909 10 INFO nova.utils [None req-30faa7db-32b0-49af-9008-ac6ccf605a0d 9ac9ff4409cc4623a3c9ca11060e7639 7e3b63af2420430eb006f4d8dfcf7cfc - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-09-17 05:27:05.061 10 INFO nova.compute.rpcapi [None req-b6b5d9e9-f195-410f-89f2-0621fbe47388 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-17 05:27:06.544 13 INFO nova.utils [None req-42afa9b4-698e-4db5-9664-7a90912d6537 14715a4ba0664cfdace1d9c841d87f76 ab1492453d174aa79d0dbba3aada8b72 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-09-17 05:27:06.721 13 INFO nova.compute.rpcapi [None req-59070360-94b4-4523-ac04-cefde1eb72ff - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-17 05:27:21.479 13 ERROR nova.scheduler.utils [None req-30faa7db-32b0-49af-9008-ac6ccf605a0d 9ac9ff4409cc4623a3c9ca11060e7639 7e3b63af2420430eb006f4d8dfcf7cfc - - default default] [instance: 49f30883-9f5a-456f-8c5b-711947656a2d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 49f30883-9f5a-456f-8c5b-711947656a2d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:27:21.480 13 WARNING nova.scheduler.utils [None req-30faa7db-32b0-49af-9008-ac6ccf605a0d 9ac9ff4409cc4623a3c9ca11060e7639 7e3b63af2420430eb006f4d8dfcf7cfc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 49f30883-9f5a-456f-8c5b-711947656a2d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 49f30883-9f5a-456f-8c5b-711947656a2d. 2026-09-17 05:27:21.481 13 WARNING nova.scheduler.utils [None req-30faa7db-32b0-49af-9008-ac6ccf605a0d 9ac9ff4409cc4623a3c9ca11060e7639 7e3b63af2420430eb006f4d8dfcf7cfc - - default default] [instance: 49f30883-9f5a-456f-8c5b-711947656a2d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 49f30883-9f5a-456f-8c5b-711947656a2d. 2026-09-17 05:27:21.679 13 WARNING neutronclient.v2_0.client [None req-30faa7db-32b0-49af-9008-ac6ccf605a0d 9ac9ff4409cc4623a3c9ca11060e7639 7e3b63af2420430eb006f4d8dfcf7cfc - - 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 49f30883-9f5a-456f-8c5b-711947656a2d. 2026-09-17 05:27:22.097 13 WARNING neutronclient.v2_0.client [None req-30faa7db-32b0-49af-9008-ac6ccf605a0d 9ac9ff4409cc4623a3c9ca11060e7639 7e3b63af2420430eb006f4d8dfcf7cfc - - 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 49f30883-9f5a-456f-8c5b-711947656a2d. 2026-09-17 05:27:25.030 10 ERROR nova.scheduler.utils [None req-42afa9b4-698e-4db5-9664-7a90912d6537 14715a4ba0664cfdace1d9c841d87f76 ab1492453d174aa79d0dbba3aada8b72 - - default default] [instance: 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:27:25.033 10 WARNING nova.scheduler.utils [None req-42afa9b4-698e-4db5-9664-7a90912d6537 14715a4ba0664cfdace1d9c841d87f76 ab1492453d174aa79d0dbba3aada8b72 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa. 2026-09-17 05:27:25.033 10 WARNING nova.scheduler.utils [None req-42afa9b4-698e-4db5-9664-7a90912d6537 14715a4ba0664cfdace1d9c841d87f76 ab1492453d174aa79d0dbba3aada8b72 - - default default] [instance: 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa. 2026-09-17 05:27:25.172 10 WARNING neutronclient.v2_0.client [None req-42afa9b4-698e-4db5-9664-7a90912d6537 14715a4ba0664cfdace1d9c841d87f76 ab1492453d174aa79d0dbba3aada8b72 - - 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 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa. 2026-09-17 05:27:25.669 10 WARNING neutronclient.v2_0.client [None req-42afa9b4-698e-4db5-9664-7a90912d6537 14715a4ba0664cfdace1d9c841d87f76 ab1492453d174aa79d0dbba3aada8b72 - - 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 6ec71d7f-f11a-49b5-a0ee-9cf9ea2d18fa. 2026-09-17 05:27:31.972 10 ERROR nova.scheduler.utils [None req-3dfb3983-3a13-4cde-8820-c5d0c55795e4 0c822e1569214e00b4f88f72588afc84 6503f58d76ee42279a5e6da182689a03 - - default default] [instance: 90bd198f-6793-4e6c-ac90-24c2fa57405f] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 90bd198f-6793-4e6c-ac90-24c2fa57405f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:27:31.973 10 WARNING nova.scheduler.utils [None req-3dfb3983-3a13-4cde-8820-c5d0c55795e4 0c822e1569214e00b4f88f72588afc84 6503f58d76ee42279a5e6da182689a03 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 90bd198f-6793-4e6c-ac90-24c2fa57405f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 90bd198f-6793-4e6c-ac90-24c2fa57405f. 2026-09-17 05:27:31.973 10 WARNING nova.scheduler.utils [None req-3dfb3983-3a13-4cde-8820-c5d0c55795e4 0c822e1569214e00b4f88f72588afc84 6503f58d76ee42279a5e6da182689a03 - - default default] [instance: 90bd198f-6793-4e6c-ac90-24c2fa57405f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 90bd198f-6793-4e6c-ac90-24c2fa57405f. 2026-09-17 05:27:32.017 10 WARNING neutronclient.v2_0.client [None req-3dfb3983-3a13-4cde-8820-c5d0c55795e4 0c822e1569214e00b4f88f72588afc84 6503f58d76ee42279a5e6da182689a03 - - 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 90bd198f-6793-4e6c-ac90-24c2fa57405f. 2026-09-17 05:27:32.057 10 WARNING neutronclient.v2_0.client [None req-3dfb3983-3a13-4cde-8820-c5d0c55795e4 0c822e1569214e00b4f88f72588afc84 6503f58d76ee42279a5e6da182689a03 - - 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 90bd198f-6793-4e6c-ac90-24c2fa57405f. 2026-09-17 05:27:40.793 13 ERROR nova.scheduler.utils [None req-1d10024e-3250-45f3-aebd-d08581d0dce9 245091b3fff443c18499bc7ab9e370de 5125c19b79e946079ea2896abb31b387 - - default default] [instance: 7c83d541-f567-4639-af51-5fc1afd58c56] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 7c83d541-f567-4639-af51-5fc1afd58c56 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:27:40.794 13 WARNING nova.scheduler.utils [None req-1d10024e-3250-45f3-aebd-d08581d0dce9 245091b3fff443c18499bc7ab9e370de 5125c19b79e946079ea2896abb31b387 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c83d541-f567-4639-af51-5fc1afd58c56.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c83d541-f567-4639-af51-5fc1afd58c56. 2026-09-17 05:27:40.794 13 WARNING nova.scheduler.utils [None req-1d10024e-3250-45f3-aebd-d08581d0dce9 245091b3fff443c18499bc7ab9e370de 5125c19b79e946079ea2896abb31b387 - - default default] [instance: 7c83d541-f567-4639-af51-5fc1afd58c56] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c83d541-f567-4639-af51-5fc1afd58c56. 2026-09-17 05:27:40.836 13 WARNING neutronclient.v2_0.client [None req-1d10024e-3250-45f3-aebd-d08581d0dce9 245091b3fff443c18499bc7ab9e370de 5125c19b79e946079ea2896abb31b387 - - 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 7c83d541-f567-4639-af51-5fc1afd58c56. 2026-09-17 05:27:40.866 13 WARNING neutronclient.v2_0.client [None req-1d10024e-3250-45f3-aebd-d08581d0dce9 245091b3fff443c18499bc7ab9e370de 5125c19b79e946079ea2896abb31b387 - - 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 7c83d541-f567-4639-af51-5fc1afd58c56. 2026-09-17 05:28:08.457 13 ERROR nova.scheduler.utils [None req-3c72ea3b-17a6-42cb-815f-bd217a5cc90b b13de31f93f442488c4d535bee7d6fe2 e53e99011edf48e9acd0ec1a6f480ed9 - - default default] [instance: d3f51efe-1e1d-4c92-907c-995f02eafaf5] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d3f51efe-1e1d-4c92-907c-995f02eafaf5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:28:08.459 13 WARNING nova.scheduler.utils [None req-3c72ea3b-17a6-42cb-815f-bd217a5cc90b b13de31f93f442488c4d535bee7d6fe2 e53e99011edf48e9acd0ec1a6f480ed9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3f51efe-1e1d-4c92-907c-995f02eafaf5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3f51efe-1e1d-4c92-907c-995f02eafaf5. 2026-09-17 05:28:08.460 13 WARNING nova.scheduler.utils [None req-3c72ea3b-17a6-42cb-815f-bd217a5cc90b b13de31f93f442488c4d535bee7d6fe2 e53e99011edf48e9acd0ec1a6f480ed9 - - default default] [instance: d3f51efe-1e1d-4c92-907c-995f02eafaf5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3f51efe-1e1d-4c92-907c-995f02eafaf5. 2026-09-17 05:28:08.528 13 WARNING neutronclient.v2_0.client [None req-3c72ea3b-17a6-42cb-815f-bd217a5cc90b b13de31f93f442488c4d535bee7d6fe2 e53e99011edf48e9acd0ec1a6f480ed9 - - 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 d3f51efe-1e1d-4c92-907c-995f02eafaf5. 2026-09-17 05:28:08.986 13 WARNING neutronclient.v2_0.client [None req-3c72ea3b-17a6-42cb-815f-bd217a5cc90b b13de31f93f442488c4d535bee7d6fe2 e53e99011edf48e9acd0ec1a6f480ed9 - - 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 d3f51efe-1e1d-4c92-907c-995f02eafaf5. 2026-09-17 05:28:39.336 10 ERROR nova.scheduler.utils [None req-72c22fe5-cb32-4726-bac9-ae00da732c7b b4cb757304d343ab94edd903562c52a6 e82b906566b842d290c040b5f7216d18 - - default default] [instance: d2422a7c-432e-48a5-89e3-82b786b51f89] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d2422a7c-432e-48a5-89e3-82b786b51f89 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:28:39.337 10 WARNING nova.scheduler.utils [None req-72c22fe5-cb32-4726-bac9-ae00da732c7b b4cb757304d343ab94edd903562c52a6 e82b906566b842d290c040b5f7216d18 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2422a7c-432e-48a5-89e3-82b786b51f89.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2422a7c-432e-48a5-89e3-82b786b51f89. 2026-09-17 05:28:39.338 10 WARNING nova.scheduler.utils [None req-72c22fe5-cb32-4726-bac9-ae00da732c7b b4cb757304d343ab94edd903562c52a6 e82b906566b842d290c040b5f7216d18 - - default default] [instance: d2422a7c-432e-48a5-89e3-82b786b51f89] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2422a7c-432e-48a5-89e3-82b786b51f89. 2026-09-17 05:28:39.413 10 WARNING neutronclient.v2_0.client [None req-72c22fe5-cb32-4726-bac9-ae00da732c7b b4cb757304d343ab94edd903562c52a6 e82b906566b842d290c040b5f7216d18 - - 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 d2422a7c-432e-48a5-89e3-82b786b51f89. 2026-09-17 05:28:39.454 10 WARNING neutronclient.v2_0.client [None req-72c22fe5-cb32-4726-bac9-ae00da732c7b b4cb757304d343ab94edd903562c52a6 e82b906566b842d290c040b5f7216d18 - - 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 d2422a7c-432e-48a5-89e3-82b786b51f89. 2026-09-17 05:28:54.051 10 ERROR nova.scheduler.utils [None req-35eee60a-c671-4ec5-b733-07c2dcba5f13 b2cead564bcb4dfc95eb6d5be9b7c0a8 f0762c2a598e46139d59757361ba699f - - default default] [instance: 6808fc03-bf50-4a32-b83f-28ffc193764a] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6808fc03-bf50-4a32-b83f-28ffc193764a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:28:54.052 10 WARNING nova.scheduler.utils [None req-35eee60a-c671-4ec5-b733-07c2dcba5f13 b2cead564bcb4dfc95eb6d5be9b7c0a8 f0762c2a598e46139d59757361ba699f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6808fc03-bf50-4a32-b83f-28ffc193764a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6808fc03-bf50-4a32-b83f-28ffc193764a. 2026-09-17 05:28:54.053 10 WARNING nova.scheduler.utils [None req-35eee60a-c671-4ec5-b733-07c2dcba5f13 b2cead564bcb4dfc95eb6d5be9b7c0a8 f0762c2a598e46139d59757361ba699f - - default default] [instance: 6808fc03-bf50-4a32-b83f-28ffc193764a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6808fc03-bf50-4a32-b83f-28ffc193764a. 2026-09-17 05:28:54.111 10 WARNING neutronclient.v2_0.client [None req-35eee60a-c671-4ec5-b733-07c2dcba5f13 b2cead564bcb4dfc95eb6d5be9b7c0a8 f0762c2a598e46139d59757361ba699f - - 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 6808fc03-bf50-4a32-b83f-28ffc193764a. 2026-09-17 05:28:54.316 10 WARNING neutronclient.v2_0.client [None req-35eee60a-c671-4ec5-b733-07c2dcba5f13 b2cead564bcb4dfc95eb6d5be9b7c0a8 f0762c2a598e46139d59757361ba699f - - 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 6808fc03-bf50-4a32-b83f-28ffc193764a. 2026-09-17 05:29:20.534 10 ERROR nova.scheduler.utils [None req-4f47e99b-b499-4b65-94ff-d27a8440e616 6020128f50854290898d09c7a464a7d3 5d9a36544a6b42e993b67745e636efbb - - default default] [instance: d20145d8-bb8b-441a-94e7-6591a2c34123] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d20145d8-bb8b-441a-94e7-6591a2c34123 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:29:20.535 10 WARNING nova.scheduler.utils [None req-4f47e99b-b499-4b65-94ff-d27a8440e616 6020128f50854290898d09c7a464a7d3 5d9a36544a6b42e993b67745e636efbb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d20145d8-bb8b-441a-94e7-6591a2c34123.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d20145d8-bb8b-441a-94e7-6591a2c34123. 2026-09-17 05:29:20.538 10 WARNING nova.scheduler.utils [None req-4f47e99b-b499-4b65-94ff-d27a8440e616 6020128f50854290898d09c7a464a7d3 5d9a36544a6b42e993b67745e636efbb - - default default] [instance: d20145d8-bb8b-441a-94e7-6591a2c34123] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d20145d8-bb8b-441a-94e7-6591a2c34123. 2026-09-17 05:29:20.620 10 WARNING neutronclient.v2_0.client [None req-4f47e99b-b499-4b65-94ff-d27a8440e616 6020128f50854290898d09c7a464a7d3 5d9a36544a6b42e993b67745e636efbb - - 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 d20145d8-bb8b-441a-94e7-6591a2c34123. 2026-09-17 05:29:20.658 10 WARNING neutronclient.v2_0.client [None req-4f47e99b-b499-4b65-94ff-d27a8440e616 6020128f50854290898d09c7a464a7d3 5d9a36544a6b42e993b67745e636efbb - - 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 d20145d8-bb8b-441a-94e7-6591a2c34123. 2026-09-17 05:29:27.652 13 ERROR nova.scheduler.utils [None req-31a48c83-2b23-4a28-ad13-f3420edc318e 3221bcf6ea4b49948246c0cf32f926e4 3387c96b78b14047ace009082c2644fa - - default default] [instance: 4ca47228-dd91-4f50-955e-5ba7e6c28e9b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 4ca47228-dd91-4f50-955e-5ba7e6c28e9b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:29:27.653 13 WARNING nova.scheduler.utils [None req-31a48c83-2b23-4a28-ad13-f3420edc318e 3221bcf6ea4b49948246c0cf32f926e4 3387c96b78b14047ace009082c2644fa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4ca47228-dd91-4f50-955e-5ba7e6c28e9b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4ca47228-dd91-4f50-955e-5ba7e6c28e9b. 2026-09-17 05:29:27.654 13 WARNING nova.scheduler.utils [None req-31a48c83-2b23-4a28-ad13-f3420edc318e 3221bcf6ea4b49948246c0cf32f926e4 3387c96b78b14047ace009082c2644fa - - default default] [instance: 4ca47228-dd91-4f50-955e-5ba7e6c28e9b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4ca47228-dd91-4f50-955e-5ba7e6c28e9b. 2026-09-17 05:29:27.725 13 WARNING neutronclient.v2_0.client [None req-31a48c83-2b23-4a28-ad13-f3420edc318e 3221bcf6ea4b49948246c0cf32f926e4 3387c96b78b14047ace009082c2644fa - - 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 4ca47228-dd91-4f50-955e-5ba7e6c28e9b. 2026-09-17 05:29:27.813 13 WARNING neutronclient.v2_0.client [None req-31a48c83-2b23-4a28-ad13-f3420edc318e 3221bcf6ea4b49948246c0cf32f926e4 3387c96b78b14047ace009082c2644fa - - 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 4ca47228-dd91-4f50-955e-5ba7e6c28e9b. 2026-09-17 05:31:09.371 10 ERROR nova.scheduler.utils [None req-e6b09a9b-62af-4c00-b8ef-26cfa2a37d4d ee0b2d8393564cc7812766406271149b ac8f2fbc8fc94cf6bb2282a0ad44701c - - default default] [instance: 3f889514-be21-43a8-a278-3f94ac16de58] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 3f889514-be21-43a8-a278-3f94ac16de58 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-17 05:31:09.372 10 WARNING nova.scheduler.utils [None req-e6b09a9b-62af-4c00-b8ef-26cfa2a37d4d ee0b2d8393564cc7812766406271149b ac8f2fbc8fc94cf6bb2282a0ad44701c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3f889514-be21-43a8-a278-3f94ac16de58.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3f889514-be21-43a8-a278-3f94ac16de58. 2026-09-17 05:31:09.372 10 WARNING nova.scheduler.utils [None req-e6b09a9b-62af-4c00-b8ef-26cfa2a37d4d ee0b2d8393564cc7812766406271149b ac8f2fbc8fc94cf6bb2282a0ad44701c - - default default] [instance: 3f889514-be21-43a8-a278-3f94ac16de58] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3f889514-be21-43a8-a278-3f94ac16de58. 2026-09-17 05:31:09.426 10 WARNING neutronclient.v2_0.client [None req-e6b09a9b-62af-4c00-b8ef-26cfa2a37d4d ee0b2d8393564cc7812766406271149b ac8f2fbc8fc94cf6bb2282a0ad44701c - - 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 3f889514-be21-43a8-a278-3f94ac16de58. 2026-09-17 05:31:09.462 10 WARNING neutronclient.v2_0.client [None req-e6b09a9b-62af-4c00-b8ef-26cfa2a37d4d ee0b2d8393564cc7812766406271149b ac8f2fbc8fc94cf6bb2282a0ad44701c - - 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 3f889514-be21-43a8-a278-3f94ac16de58.