+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-21 13:48:49.539 1 INFO nova.utils [None req-777fad40-2138-49f6-9774-1b4c0fb87961 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-21 13:48:49.709 1 INFO nova.utils [None req-777fad40-2138-49f6-9774-1b4c0fb87961 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-21 13:48:50.713 1 INFO nova.utils [None req-777fad40-2138-49f6-9774-1b4c0fb87961 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-21 13:48:50.715 1 WARNING oslo_service.backend._threading.service [None req-777fad40-2138-49f6-9774-1b4c0fb87961 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-21 13:48:50.736 1 WARNING oslo_config.cfg [None req-777fad40-2138-49f6-9774-1b4c0fb87961 - - - - - -] 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.
2026-07-21 13:48:50.782 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-21 13:48:50.793 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-21 14:30:46.323 10 INFO nova.utils [None req-43cfc796-a691-427d-b370-bee6d15760fa 52fe91b4e60c45a59deff6c8c067c1c9 5ab47f59f1dd4fda99b6e1fe7c36c94a - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-21 14:30:46.476 10 INFO nova.compute.rpcapi [None req-c5896b22-b1f3-424a-8e62-e4def8293282 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-21 14:31:02.971 10 ERROR nova.scheduler.utils [None req-43cfc796-a691-427d-b370-bee6d15760fa 52fe91b4e60c45a59deff6c8c067c1c9 5ab47f59f1dd4fda99b6e1fe7c36c94a - - default default] [instance: 847ad0b0-0244-42e6-8bd6-927e57569023] 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 847ad0b0-0244-42e6-8bd6-927e57569023 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:31:02.972 10 WARNING nova.scheduler.utils [None req-43cfc796-a691-427d-b370-bee6d15760fa 52fe91b4e60c45a59deff6c8c067c1c9 5ab47f59f1dd4fda99b6e1fe7c36c94a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 847ad0b0-0244-42e6-8bd6-927e57569023.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 847ad0b0-0244-42e6-8bd6-927e57569023.
2026-07-21 14:31:02.972 10 WARNING nova.scheduler.utils [None req-43cfc796-a691-427d-b370-bee6d15760fa 52fe91b4e60c45a59deff6c8c067c1c9 5ab47f59f1dd4fda99b6e1fe7c36c94a - - default default] [instance: 847ad0b0-0244-42e6-8bd6-927e57569023] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 847ad0b0-0244-42e6-8bd6-927e57569023.
2026-07-21 14:31:03.086 10 WARNING neutronclient.v2_0.client [None req-43cfc796-a691-427d-b370-bee6d15760fa 52fe91b4e60c45a59deff6c8c067c1c9 5ab47f59f1dd4fda99b6e1fe7c36c94a - - 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 847ad0b0-0244-42e6-8bd6-927e57569023.
2026-07-21 14:31:03.802 10 WARNING neutronclient.v2_0.client [None req-43cfc796-a691-427d-b370-bee6d15760fa 52fe91b4e60c45a59deff6c8c067c1c9 5ab47f59f1dd4fda99b6e1fe7c36c94a - - 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 847ad0b0-0244-42e6-8bd6-927e57569023.
2026-07-21 14:31:08.374 12 ERROR nova.scheduler.utils [None req-cf9add62-4a0f-4cf1-b705-50401ff1adf8 0f390e74fe054755a4a33aaf3c3b7027 880ac9f487cc4307969846ef2af575b3 - - default default] [instance: ba5bd4af-6311-40f1-af9f-b4e7df46324a] 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 ba5bd4af-6311-40f1-af9f-b4e7df46324a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:31:08.376 12 WARNING nova.scheduler.utils [None req-cf9add62-4a0f-4cf1-b705-50401ff1adf8 0f390e74fe054755a4a33aaf3c3b7027 880ac9f487cc4307969846ef2af575b3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba5bd4af-6311-40f1-af9f-b4e7df46324a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba5bd4af-6311-40f1-af9f-b4e7df46324a.
2026-07-21 14:31:08.376 12 WARNING nova.scheduler.utils [None req-cf9add62-4a0f-4cf1-b705-50401ff1adf8 0f390e74fe054755a4a33aaf3c3b7027 880ac9f487cc4307969846ef2af575b3 - - default default] [instance: ba5bd4af-6311-40f1-af9f-b4e7df46324a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba5bd4af-6311-40f1-af9f-b4e7df46324a.
2026-07-21 14:31:08.488 12 WARNING neutronclient.v2_0.client [None req-cf9add62-4a0f-4cf1-b705-50401ff1adf8 0f390e74fe054755a4a33aaf3c3b7027 880ac9f487cc4307969846ef2af575b3 - - 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 ba5bd4af-6311-40f1-af9f-b4e7df46324a.
2026-07-21 14:31:09.050 12 WARNING neutronclient.v2_0.client [None req-cf9add62-4a0f-4cf1-b705-50401ff1adf8 0f390e74fe054755a4a33aaf3c3b7027 880ac9f487cc4307969846ef2af575b3 - - 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 ba5bd4af-6311-40f1-af9f-b4e7df46324a.
2026-07-21 14:31:24.963 12 ERROR nova.scheduler.utils [None req-b0feb7d0-89bd-48a4-9a06-2e34d4b4ecc7 c491dd18e2a04d5c882b721a88663b4e 8c5ee6b59ce94a219a5222f0d5b31316 - - default default] [instance: 18fa56fc-e516-4e6c-ad26-45672431e4d0] 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 18fa56fc-e516-4e6c-ad26-45672431e4d0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:31:24.964 12 WARNING nova.scheduler.utils [None req-b0feb7d0-89bd-48a4-9a06-2e34d4b4ecc7 c491dd18e2a04d5c882b721a88663b4e 8c5ee6b59ce94a219a5222f0d5b31316 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18fa56fc-e516-4e6c-ad26-45672431e4d0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18fa56fc-e516-4e6c-ad26-45672431e4d0.
2026-07-21 14:31:24.964 12 WARNING nova.scheduler.utils [None req-b0feb7d0-89bd-48a4-9a06-2e34d4b4ecc7 c491dd18e2a04d5c882b721a88663b4e 8c5ee6b59ce94a219a5222f0d5b31316 - - default default] [instance: 18fa56fc-e516-4e6c-ad26-45672431e4d0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18fa56fc-e516-4e6c-ad26-45672431e4d0.
2026-07-21 14:31:25.006 12 WARNING neutronclient.v2_0.client [None req-b0feb7d0-89bd-48a4-9a06-2e34d4b4ecc7 c491dd18e2a04d5c882b721a88663b4e 8c5ee6b59ce94a219a5222f0d5b31316 - - 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 18fa56fc-e516-4e6c-ad26-45672431e4d0.
2026-07-21 14:31:25.134 12 WARNING neutronclient.v2_0.client [None req-b0feb7d0-89bd-48a4-9a06-2e34d4b4ecc7 c491dd18e2a04d5c882b721a88663b4e 8c5ee6b59ce94a219a5222f0d5b31316 - - 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 18fa56fc-e516-4e6c-ad26-45672431e4d0.
2026-07-21 14:31:31.647 12 INFO nova.utils [None req-e414558a-a6ce-443a-9707-84a6dce9cd4b 14b10ce661ad48d28b8ef0709ccdb63c b8e9d84c373649b89597c91514ee50c7 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-21 14:31:31.785 12 INFO nova.compute.rpcapi [None req-25ce641c-e0d8-452f-8c91-632c9ba322e1 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-21 14:31:39.608 10 ERROR nova.scheduler.utils [None req-36b0b1d4-f740-4577-9a55-f55ff96de8e5 80612368c8a5423fb10f8bc21537c31d 86c8813853864ac29c60091126e74e55 - - default default] [instance: 13eee040-e36d-480c-a31d-dfe43cf955c3] 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 13eee040-e36d-480c-a31d-dfe43cf955c3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:31:39.609 10 WARNING nova.scheduler.utils [None req-36b0b1d4-f740-4577-9a55-f55ff96de8e5 80612368c8a5423fb10f8bc21537c31d 86c8813853864ac29c60091126e74e55 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 13eee040-e36d-480c-a31d-dfe43cf955c3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 13eee040-e36d-480c-a31d-dfe43cf955c3.
2026-07-21 14:31:39.609 10 WARNING nova.scheduler.utils [None req-36b0b1d4-f740-4577-9a55-f55ff96de8e5 80612368c8a5423fb10f8bc21537c31d 86c8813853864ac29c60091126e74e55 - - default default] [instance: 13eee040-e36d-480c-a31d-dfe43cf955c3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 13eee040-e36d-480c-a31d-dfe43cf955c3.
2026-07-21 14:31:39.653 10 WARNING neutronclient.v2_0.client [None req-36b0b1d4-f740-4577-9a55-f55ff96de8e5 80612368c8a5423fb10f8bc21537c31d 86c8813853864ac29c60091126e74e55 - - 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 13eee040-e36d-480c-a31d-dfe43cf955c3.
2026-07-21 14:31:39.844 10 WARNING neutronclient.v2_0.client [None req-36b0b1d4-f740-4577-9a55-f55ff96de8e5 80612368c8a5423fb10f8bc21537c31d 86c8813853864ac29c60091126e74e55 - - 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 13eee040-e36d-480c-a31d-dfe43cf955c3.
2026-07-21 14:31:50.390 10 ERROR nova.scheduler.utils [None req-e414558a-a6ce-443a-9707-84a6dce9cd4b 14b10ce661ad48d28b8ef0709ccdb63c b8e9d84c373649b89597c91514ee50c7 - - default default] [instance: 0444fd73-d62c-4c88-9fa3-1fb46cea4939] 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 0444fd73-d62c-4c88-9fa3-1fb46cea4939 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:31:50.390 10 WARNING nova.scheduler.utils [None req-e414558a-a6ce-443a-9707-84a6dce9cd4b 14b10ce661ad48d28b8ef0709ccdb63c b8e9d84c373649b89597c91514ee50c7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0444fd73-d62c-4c88-9fa3-1fb46cea4939.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0444fd73-d62c-4c88-9fa3-1fb46cea4939.
2026-07-21 14:31:50.391 10 WARNING nova.scheduler.utils [None req-e414558a-a6ce-443a-9707-84a6dce9cd4b 14b10ce661ad48d28b8ef0709ccdb63c b8e9d84c373649b89597c91514ee50c7 - - default default] [instance: 0444fd73-d62c-4c88-9fa3-1fb46cea4939] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0444fd73-d62c-4c88-9fa3-1fb46cea4939.
2026-07-21 14:31:50.445 10 WARNING neutronclient.v2_0.client [None req-e414558a-a6ce-443a-9707-84a6dce9cd4b 14b10ce661ad48d28b8ef0709ccdb63c b8e9d84c373649b89597c91514ee50c7 - - 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 0444fd73-d62c-4c88-9fa3-1fb46cea4939.
2026-07-21 14:31:50.492 10 WARNING neutronclient.v2_0.client [None req-e414558a-a6ce-443a-9707-84a6dce9cd4b 14b10ce661ad48d28b8ef0709ccdb63c b8e9d84c373649b89597c91514ee50c7 - - 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 0444fd73-d62c-4c88-9fa3-1fb46cea4939.
2026-07-21 14:32:02.057 10 ERROR nova.scheduler.utils [None req-19291104-d5a5-4839-9f46-3f5032bef14d 031063f4ce0a440588084d5da3fffa88 b99962558fe64d8cae734a57991477f4 - - default default] [instance: 20778d90-68f5-4781-a981-4ce40a6aa37b] 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 20778d90-68f5-4781-a981-4ce40a6aa37b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:32:02.058 10 WARNING nova.scheduler.utils [None req-19291104-d5a5-4839-9f46-3f5032bef14d 031063f4ce0a440588084d5da3fffa88 b99962558fe64d8cae734a57991477f4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 20778d90-68f5-4781-a981-4ce40a6aa37b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 20778d90-68f5-4781-a981-4ce40a6aa37b.
2026-07-21 14:32:02.058 10 WARNING nova.scheduler.utils [None req-19291104-d5a5-4839-9f46-3f5032bef14d 031063f4ce0a440588084d5da3fffa88 b99962558fe64d8cae734a57991477f4 - - default default] [instance: 20778d90-68f5-4781-a981-4ce40a6aa37b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 20778d90-68f5-4781-a981-4ce40a6aa37b.
2026-07-21 14:32:02.118 10 WARNING neutronclient.v2_0.client [None req-19291104-d5a5-4839-9f46-3f5032bef14d 031063f4ce0a440588084d5da3fffa88 b99962558fe64d8cae734a57991477f4 - - 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 20778d90-68f5-4781-a981-4ce40a6aa37b.
2026-07-21 14:32:02.146 10 WARNING neutronclient.v2_0.client [None req-19291104-d5a5-4839-9f46-3f5032bef14d 031063f4ce0a440588084d5da3fffa88 b99962558fe64d8cae734a57991477f4 - - 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 20778d90-68f5-4781-a981-4ce40a6aa37b.
2026-07-21 14:33:15.224 10 ERROR nova.scheduler.utils [None req-1c97a5e7-a049-4e1a-b5ec-e831685f3277 0b665f5ac70e4ac5a49c0f5402d3c3d8 cd2fcb2563414eb0936a4c264057d65c - - default default] [instance: 79cf4cf9-6dc8-4073-acad-e480f412a671] 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 79cf4cf9-6dc8-4073-acad-e480f412a671 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:33:15.225 10 WARNING nova.scheduler.utils [None req-1c97a5e7-a049-4e1a-b5ec-e831685f3277 0b665f5ac70e4ac5a49c0f5402d3c3d8 cd2fcb2563414eb0936a4c264057d65c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79cf4cf9-6dc8-4073-acad-e480f412a671.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79cf4cf9-6dc8-4073-acad-e480f412a671.
2026-07-21 14:33:15.225 10 WARNING nova.scheduler.utils [None req-1c97a5e7-a049-4e1a-b5ec-e831685f3277 0b665f5ac70e4ac5a49c0f5402d3c3d8 cd2fcb2563414eb0936a4c264057d65c - - default default] [instance: 79cf4cf9-6dc8-4073-acad-e480f412a671] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79cf4cf9-6dc8-4073-acad-e480f412a671.
2026-07-21 14:33:15.287 10 WARNING neutronclient.v2_0.client [None req-1c97a5e7-a049-4e1a-b5ec-e831685f3277 0b665f5ac70e4ac5a49c0f5402d3c3d8 cd2fcb2563414eb0936a4c264057d65c - - 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 79cf4cf9-6dc8-4073-acad-e480f412a671.
2026-07-21 14:33:15.318 10 WARNING neutronclient.v2_0.client [None req-1c97a5e7-a049-4e1a-b5ec-e831685f3277 0b665f5ac70e4ac5a49c0f5402d3c3d8 cd2fcb2563414eb0936a4c264057d65c - - 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 79cf4cf9-6dc8-4073-acad-e480f412a671.
2026-07-21 14:34:18.924 10 ERROR nova.scheduler.utils [None req-b89240e0-2066-41f2-9695-d229993f9d4f 865183db96054b9fa3110a93a452cf6d c60c4efbed2b45d3b9c120fd888f6e31 - - default default] [instance: 5678c3ca-12e1-4b4c-97be-b2b129b822dd] 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 5678c3ca-12e1-4b4c-97be-b2b129b822dd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:34:18.926 10 WARNING nova.scheduler.utils [None req-b89240e0-2066-41f2-9695-d229993f9d4f 865183db96054b9fa3110a93a452cf6d c60c4efbed2b45d3b9c120fd888f6e31 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5678c3ca-12e1-4b4c-97be-b2b129b822dd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5678c3ca-12e1-4b4c-97be-b2b129b822dd.
2026-07-21 14:34:18.926 10 WARNING nova.scheduler.utils [None req-b89240e0-2066-41f2-9695-d229993f9d4f 865183db96054b9fa3110a93a452cf6d c60c4efbed2b45d3b9c120fd888f6e31 - - default default] [instance: 5678c3ca-12e1-4b4c-97be-b2b129b822dd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5678c3ca-12e1-4b4c-97be-b2b129b822dd.
2026-07-21 14:34:19.000 10 WARNING neutronclient.v2_0.client [None req-b89240e0-2066-41f2-9695-d229993f9d4f 865183db96054b9fa3110a93a452cf6d c60c4efbed2b45d3b9c120fd888f6e31 - - 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 5678c3ca-12e1-4b4c-97be-b2b129b822dd.
2026-07-21 14:34:19.039 10 WARNING neutronclient.v2_0.client [None req-b89240e0-2066-41f2-9695-d229993f9d4f 865183db96054b9fa3110a93a452cf6d c60c4efbed2b45d3b9c120fd888f6e31 - - 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 5678c3ca-12e1-4b4c-97be-b2b129b822dd.
2026-07-21 14:34:20.420 10 ERROR nova.scheduler.utils [None req-57070453-1e9f-4ff3-967e-28a1b77e5567 6481fcfd251b4976b4558c5d4994ab5a f4e028e8ae134db5b578df9c11c2a493 - - default default] [instance: 246eceeb-a6be-497c-b093-e4e08528d120] 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 246eceeb-a6be-497c-b093-e4e08528d120 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:34:20.421 10 WARNING nova.scheduler.utils [None req-57070453-1e9f-4ff3-967e-28a1b77e5567 6481fcfd251b4976b4558c5d4994ab5a f4e028e8ae134db5b578df9c11c2a493 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 246eceeb-a6be-497c-b093-e4e08528d120.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 246eceeb-a6be-497c-b093-e4e08528d120.
2026-07-21 14:34:20.421 10 WARNING nova.scheduler.utils [None req-57070453-1e9f-4ff3-967e-28a1b77e5567 6481fcfd251b4976b4558c5d4994ab5a f4e028e8ae134db5b578df9c11c2a493 - - default default] [instance: 246eceeb-a6be-497c-b093-e4e08528d120] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 246eceeb-a6be-497c-b093-e4e08528d120.
2026-07-21 14:34:20.481 10 WARNING neutronclient.v2_0.client [None req-57070453-1e9f-4ff3-967e-28a1b77e5567 6481fcfd251b4976b4558c5d4994ab5a f4e028e8ae134db5b578df9c11c2a493 - - 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 246eceeb-a6be-497c-b093-e4e08528d120.
2026-07-21 14:34:20.546 10 WARNING neutronclient.v2_0.client [None req-57070453-1e9f-4ff3-967e-28a1b77e5567 6481fcfd251b4976b4558c5d4994ab5a f4e028e8ae134db5b578df9c11c2a493 - - 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 246eceeb-a6be-497c-b093-e4e08528d120.
2026-07-21 14:35:20.048 10 ERROR nova.scheduler.utils [None req-e97e46fc-ec62-43db-bf37-b2573f2f3f60 420d632c9c7f468fb2a4d7b4527d8a47 7f8cbd1e16bd4330987518787fd220df - - default default] [instance: 91a176cb-2959-4ba8-83a0-b7b5d0bd071c] 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 91a176cb-2959-4ba8-83a0-b7b5d0bd071c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 14:35:20.052 10 WARNING nova.scheduler.utils [None req-e97e46fc-ec62-43db-bf37-b2573f2f3f60 420d632c9c7f468fb2a4d7b4527d8a47 7f8cbd1e16bd4330987518787fd220df - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 91a176cb-2959-4ba8-83a0-b7b5d0bd071c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 91a176cb-2959-4ba8-83a0-b7b5d0bd071c.
2026-07-21 14:35:20.053 10 WARNING nova.scheduler.utils [None req-e97e46fc-ec62-43db-bf37-b2573f2f3f60 420d632c9c7f468fb2a4d7b4527d8a47 7f8cbd1e16bd4330987518787fd220df - - default default] [instance: 91a176cb-2959-4ba8-83a0-b7b5d0bd071c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 91a176cb-2959-4ba8-83a0-b7b5d0bd071c.
2026-07-21 14:35:20.121 10 WARNING neutronclient.v2_0.client [None req-e97e46fc-ec62-43db-bf37-b2573f2f3f60 420d632c9c7f468fb2a4d7b4527d8a47 7f8cbd1e16bd4330987518787fd220df - - 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 91a176cb-2959-4ba8-83a0-b7b5d0bd071c.
2026-07-21 14:35:20.162 10 WARNING neutronclient.v2_0.client [None req-e97e46fc-ec62-43db-bf37-b2573f2f3f60 420d632c9c7f468fb2a4d7b4527d8a47 7f8cbd1e16bd4330987518787fd220df - - 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 91a176cb-2959-4ba8-83a0-b7b5d0bd071c.