+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-21 21:30:41.765 1 INFO nova.utils [None req-4019d658-4f5f-4da9-bb9e-98d3dda267fc - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-21 21:30:41.929 1 INFO nova.utils [None req-4019d658-4f5f-4da9-bb9e-98d3dda267fc - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-21 21:30:42.929 1 INFO nova.utils [None req-4019d658-4f5f-4da9-bb9e-98d3dda267fc - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-21 21:30:42.932 1 WARNING oslo_service.backend._threading.service [None req-4019d658-4f5f-4da9-bb9e-98d3dda267fc - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-21 21:30:42.943 1 WARNING oslo_config.cfg [None req-4019d658-4f5f-4da9-bb9e-98d3dda267fc - - - - - -] 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 21:30:42.990 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-21 21:30:43.004 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-21 22:08:51.664 10 INFO nova.utils [None req-1113f582-f42c-4007-89fb-dd3a66886843 4e4e82699cf446658fa0dbabdfc5ce0b 1c2eb77d6a6140d6aee5982b3a77a501 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-21 22:08:51.840 10 INFO nova.compute.rpcapi [None req-8007f565-9357-4d3d-a4ac-d7a9ab920237 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-21 22:09:10.068 12 ERROR nova.scheduler.utils [None req-1113f582-f42c-4007-89fb-dd3a66886843 4e4e82699cf446658fa0dbabdfc5ce0b 1c2eb77d6a6140d6aee5982b3a77a501 - - default default] [instance: c61b7730-edfe-41c5-a565-53092fa4ceae] 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 c61b7730-edfe-41c5-a565-53092fa4ceae was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:09:10.070 12 WARNING nova.scheduler.utils [None req-1113f582-f42c-4007-89fb-dd3a66886843 4e4e82699cf446658fa0dbabdfc5ce0b 1c2eb77d6a6140d6aee5982b3a77a501 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c61b7730-edfe-41c5-a565-53092fa4ceae.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c61b7730-edfe-41c5-a565-53092fa4ceae.
2026-07-21 22:09:10.070 12 WARNING nova.scheduler.utils [None req-1113f582-f42c-4007-89fb-dd3a66886843 4e4e82699cf446658fa0dbabdfc5ce0b 1c2eb77d6a6140d6aee5982b3a77a501 - - default default] [instance: c61b7730-edfe-41c5-a565-53092fa4ceae] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c61b7730-edfe-41c5-a565-53092fa4ceae.
2026-07-21 22:09:10.173 12 WARNING neutronclient.v2_0.client [None req-1113f582-f42c-4007-89fb-dd3a66886843 4e4e82699cf446658fa0dbabdfc5ce0b 1c2eb77d6a6140d6aee5982b3a77a501 - - 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 c61b7730-edfe-41c5-a565-53092fa4ceae.
2026-07-21 22:09:10.833 12 WARNING neutronclient.v2_0.client [None req-1113f582-f42c-4007-89fb-dd3a66886843 4e4e82699cf446658fa0dbabdfc5ce0b 1c2eb77d6a6140d6aee5982b3a77a501 - - 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 c61b7730-edfe-41c5-a565-53092fa4ceae.
2026-07-21 22:09:14.089 12 ERROR nova.scheduler.utils [None req-46c09342-4c64-4c23-9e5e-0311d0464b09 0457020580644ccd99a57ba0be5b7742 d045ecbc197143da97de7e4a914a8612 - - default default] [instance: 869c2a76-5234-43b6-8173-067c3dce588f] 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 869c2a76-5234-43b6-8173-067c3dce588f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:09:14.090 12 WARNING nova.scheduler.utils [None req-46c09342-4c64-4c23-9e5e-0311d0464b09 0457020580644ccd99a57ba0be5b7742 d045ecbc197143da97de7e4a914a8612 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 869c2a76-5234-43b6-8173-067c3dce588f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 869c2a76-5234-43b6-8173-067c3dce588f.
2026-07-21 22:09:14.090 12 WARNING nova.scheduler.utils [None req-46c09342-4c64-4c23-9e5e-0311d0464b09 0457020580644ccd99a57ba0be5b7742 d045ecbc197143da97de7e4a914a8612 - - default default] [instance: 869c2a76-5234-43b6-8173-067c3dce588f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 869c2a76-5234-43b6-8173-067c3dce588f.
2026-07-21 22:09:14.135 12 WARNING neutronclient.v2_0.client [None req-46c09342-4c64-4c23-9e5e-0311d0464b09 0457020580644ccd99a57ba0be5b7742 d045ecbc197143da97de7e4a914a8612 - - 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 869c2a76-5234-43b6-8173-067c3dce588f.
2026-07-21 22:09:14.904 12 WARNING neutronclient.v2_0.client [None req-46c09342-4c64-4c23-9e5e-0311d0464b09 0457020580644ccd99a57ba0be5b7742 d045ecbc197143da97de7e4a914a8612 - - 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 869c2a76-5234-43b6-8173-067c3dce588f.
2026-07-21 22:09:25.372 12 INFO nova.utils [None req-0df12187-ebe3-415a-b38e-516c36167f1f aad1dab4bb754d0680a3c9741bb57ab7 370f9a5feec9476590d37babb3e8b597 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-21 22:09:25.525 12 INFO nova.compute.rpcapi [None req-138b86b9-8eac-460c-805d-29db4fc5d1f7 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-21 22:09:40.263 12 ERROR nova.scheduler.utils [None req-0df12187-ebe3-415a-b38e-516c36167f1f aad1dab4bb754d0680a3c9741bb57ab7 370f9a5feec9476590d37babb3e8b597 - - default default] [instance: d46a4246-1d5c-439d-b453-7030ca1c2374] 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 d46a4246-1d5c-439d-b453-7030ca1c2374 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:09:40.264 12 WARNING nova.scheduler.utils [None req-0df12187-ebe3-415a-b38e-516c36167f1f aad1dab4bb754d0680a3c9741bb57ab7 370f9a5feec9476590d37babb3e8b597 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d46a4246-1d5c-439d-b453-7030ca1c2374.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d46a4246-1d5c-439d-b453-7030ca1c2374.
2026-07-21 22:09:40.264 12 WARNING nova.scheduler.utils [None req-0df12187-ebe3-415a-b38e-516c36167f1f aad1dab4bb754d0680a3c9741bb57ab7 370f9a5feec9476590d37babb3e8b597 - - default default] [instance: d46a4246-1d5c-439d-b453-7030ca1c2374] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d46a4246-1d5c-439d-b453-7030ca1c2374.
2026-07-21 22:09:40.303 12 WARNING neutronclient.v2_0.client [None req-0df12187-ebe3-415a-b38e-516c36167f1f aad1dab4bb754d0680a3c9741bb57ab7 370f9a5feec9476590d37babb3e8b597 - - 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 d46a4246-1d5c-439d-b453-7030ca1c2374.
2026-07-21 22:09:40.327 12 WARNING neutronclient.v2_0.client [None req-0df12187-ebe3-415a-b38e-516c36167f1f aad1dab4bb754d0680a3c9741bb57ab7 370f9a5feec9476590d37babb3e8b597 - - 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 d46a4246-1d5c-439d-b453-7030ca1c2374.
2026-07-21 22:09:44.542 10 ERROR nova.scheduler.utils [None req-ca64e64c-ef79-4cd5-a5a5-0ae4e72cc1e6 6871fbcd474c4d68bf336bb806c45c12 0aba4cf3185a4cb7927fbc5f4e69c0af - - default default] [instance: f091da8a-d938-4ec1-b477-d75c6dff5ecc] 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 f091da8a-d938-4ec1-b477-d75c6dff5ecc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:09:44.544 10 WARNING nova.scheduler.utils [None req-ca64e64c-ef79-4cd5-a5a5-0ae4e72cc1e6 6871fbcd474c4d68bf336bb806c45c12 0aba4cf3185a4cb7927fbc5f4e69c0af - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f091da8a-d938-4ec1-b477-d75c6dff5ecc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f091da8a-d938-4ec1-b477-d75c6dff5ecc.
2026-07-21 22:09:44.544 10 WARNING nova.scheduler.utils [None req-ca64e64c-ef79-4cd5-a5a5-0ae4e72cc1e6 6871fbcd474c4d68bf336bb806c45c12 0aba4cf3185a4cb7927fbc5f4e69c0af - - default default] [instance: f091da8a-d938-4ec1-b477-d75c6dff5ecc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f091da8a-d938-4ec1-b477-d75c6dff5ecc.
2026-07-21 22:09:44.645 10 WARNING neutronclient.v2_0.client [None req-ca64e64c-ef79-4cd5-a5a5-0ae4e72cc1e6 6871fbcd474c4d68bf336bb806c45c12 0aba4cf3185a4cb7927fbc5f4e69c0af - - 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 f091da8a-d938-4ec1-b477-d75c6dff5ecc.
2026-07-21 22:09:45.294 10 WARNING neutronclient.v2_0.client [None req-ca64e64c-ef79-4cd5-a5a5-0ae4e72cc1e6 6871fbcd474c4d68bf336bb806c45c12 0aba4cf3185a4cb7927fbc5f4e69c0af - - 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 f091da8a-d938-4ec1-b477-d75c6dff5ecc.
2026-07-21 22:10:18.388 10 ERROR nova.scheduler.utils [None req-35327f41-2c9d-46dd-9521-e4054a50a4fb c052069e216c47a893456984529e103d 9282b014b40445799e6ef1fafebb2976 - - default default] [instance: ada401c8-0a55-403a-9c9b-c328f6c3a142] 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 ada401c8-0a55-403a-9c9b-c328f6c3a142 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:10:18.389 10 WARNING nova.scheduler.utils [None req-35327f41-2c9d-46dd-9521-e4054a50a4fb c052069e216c47a893456984529e103d 9282b014b40445799e6ef1fafebb2976 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ada401c8-0a55-403a-9c9b-c328f6c3a142.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ada401c8-0a55-403a-9c9b-c328f6c3a142.
2026-07-21 22:10:18.390 10 WARNING nova.scheduler.utils [None req-35327f41-2c9d-46dd-9521-e4054a50a4fb c052069e216c47a893456984529e103d 9282b014b40445799e6ef1fafebb2976 - - default default] [instance: ada401c8-0a55-403a-9c9b-c328f6c3a142] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ada401c8-0a55-403a-9c9b-c328f6c3a142.
2026-07-21 22:10:18.430 10 WARNING neutronclient.v2_0.client [None req-35327f41-2c9d-46dd-9521-e4054a50a4fb c052069e216c47a893456984529e103d 9282b014b40445799e6ef1fafebb2976 - - 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 ada401c8-0a55-403a-9c9b-c328f6c3a142.
2026-07-21 22:10:18.503 10 WARNING neutronclient.v2_0.client [None req-35327f41-2c9d-46dd-9521-e4054a50a4fb c052069e216c47a893456984529e103d 9282b014b40445799e6ef1fafebb2976 - - 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 ada401c8-0a55-403a-9c9b-c328f6c3a142.
2026-07-21 22:10:49.212 10 ERROR nova.scheduler.utils [None req-7c5fcc95-16a1-4c3c-a0e6-8dc220a25e84 b995c63f18b048008d8e15fcdbb336a6 3ce727c1ff3749b98f4025d10ce702a9 - - default default] [instance: b66f3943-0ff6-42b8-8e11-e9edf240dd9c] 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 b66f3943-0ff6-42b8-8e11-e9edf240dd9c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:10:49.214 10 WARNING nova.scheduler.utils [None req-7c5fcc95-16a1-4c3c-a0e6-8dc220a25e84 b995c63f18b048008d8e15fcdbb336a6 3ce727c1ff3749b98f4025d10ce702a9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b66f3943-0ff6-42b8-8e11-e9edf240dd9c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b66f3943-0ff6-42b8-8e11-e9edf240dd9c.
2026-07-21 22:10:49.214 10 WARNING nova.scheduler.utils [None req-7c5fcc95-16a1-4c3c-a0e6-8dc220a25e84 b995c63f18b048008d8e15fcdbb336a6 3ce727c1ff3749b98f4025d10ce702a9 - - default default] [instance: b66f3943-0ff6-42b8-8e11-e9edf240dd9c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b66f3943-0ff6-42b8-8e11-e9edf240dd9c.
2026-07-21 22:10:49.271 10 WARNING neutronclient.v2_0.client [None req-7c5fcc95-16a1-4c3c-a0e6-8dc220a25e84 b995c63f18b048008d8e15fcdbb336a6 3ce727c1ff3749b98f4025d10ce702a9 - - 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 b66f3943-0ff6-42b8-8e11-e9edf240dd9c.
2026-07-21 22:10:49.308 10 WARNING neutronclient.v2_0.client [None req-7c5fcc95-16a1-4c3c-a0e6-8dc220a25e84 b995c63f18b048008d8e15fcdbb336a6 3ce727c1ff3749b98f4025d10ce702a9 - - 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 b66f3943-0ff6-42b8-8e11-e9edf240dd9c.
2026-07-21 22:11:52.647 12 ERROR nova.scheduler.utils [None req-5e96571a-fff6-4eb1-8ef8-c913d6ba4e68 9dad7076ee4b45f590ef5ac5189dd447 479704eb79fb47438a26a24c31d19733 - - default default] [instance: 3aea73a7-bf39-45d2-a9e3-70055c84570d] 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 3aea73a7-bf39-45d2-a9e3-70055c84570d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:11:52.648 12 WARNING nova.scheduler.utils [None req-5e96571a-fff6-4eb1-8ef8-c913d6ba4e68 9dad7076ee4b45f590ef5ac5189dd447 479704eb79fb47438a26a24c31d19733 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3aea73a7-bf39-45d2-a9e3-70055c84570d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3aea73a7-bf39-45d2-a9e3-70055c84570d.
2026-07-21 22:11:52.648 12 WARNING nova.scheduler.utils [None req-5e96571a-fff6-4eb1-8ef8-c913d6ba4e68 9dad7076ee4b45f590ef5ac5189dd447 479704eb79fb47438a26a24c31d19733 - - default default] [instance: 3aea73a7-bf39-45d2-a9e3-70055c84570d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3aea73a7-bf39-45d2-a9e3-70055c84570d.
2026-07-21 22:11:52.705 12 WARNING neutronclient.v2_0.client [None req-5e96571a-fff6-4eb1-8ef8-c913d6ba4e68 9dad7076ee4b45f590ef5ac5189dd447 479704eb79fb47438a26a24c31d19733 - - 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 3aea73a7-bf39-45d2-a9e3-70055c84570d.
2026-07-21 22:11:52.739 12 WARNING neutronclient.v2_0.client [None req-5e96571a-fff6-4eb1-8ef8-c913d6ba4e68 9dad7076ee4b45f590ef5ac5189dd447 479704eb79fb47438a26a24c31d19733 - - 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 3aea73a7-bf39-45d2-a9e3-70055c84570d.
2026-07-21 22:12:26.199 12 ERROR nova.scheduler.utils [None req-dd58333f-6577-4a82-9925-1b02714abccf 5c42f7c70f4548a0bf1b59d25ced4d41 c0ca0f3a0cb9448ca71fecc70b10b832 - - default default] [instance: dc8a9016-1755-45af-bb8a-631e463e4a24] 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 dc8a9016-1755-45af-bb8a-631e463e4a24 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:12:26.200 12 WARNING nova.scheduler.utils [None req-dd58333f-6577-4a82-9925-1b02714abccf 5c42f7c70f4548a0bf1b59d25ced4d41 c0ca0f3a0cb9448ca71fecc70b10b832 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc8a9016-1755-45af-bb8a-631e463e4a24.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc8a9016-1755-45af-bb8a-631e463e4a24.
2026-07-21 22:12:26.201 12 WARNING nova.scheduler.utils [None req-dd58333f-6577-4a82-9925-1b02714abccf 5c42f7c70f4548a0bf1b59d25ced4d41 c0ca0f3a0cb9448ca71fecc70b10b832 - - default default] [instance: dc8a9016-1755-45af-bb8a-631e463e4a24] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc8a9016-1755-45af-bb8a-631e463e4a24.
2026-07-21 22:12:26.266 12 WARNING neutronclient.v2_0.client [None req-dd58333f-6577-4a82-9925-1b02714abccf 5c42f7c70f4548a0bf1b59d25ced4d41 c0ca0f3a0cb9448ca71fecc70b10b832 - - 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 dc8a9016-1755-45af-bb8a-631e463e4a24.
2026-07-21 22:12:26.524 12 WARNING neutronclient.v2_0.client [None req-dd58333f-6577-4a82-9925-1b02714abccf 5c42f7c70f4548a0bf1b59d25ced4d41 c0ca0f3a0cb9448ca71fecc70b10b832 - - 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 dc8a9016-1755-45af-bb8a-631e463e4a24.
2026-07-21 22:13:04.337 10 ERROR nova.scheduler.utils [None req-617acb9a-6798-4ee0-9ccf-e371e4e1b308 b62bbe4bef8c4322bc2181885ba5f8df e7b4bb0d798b41049f2dcb0ebe3542ca - - default default] [instance: 36162e40-f3b4-46e3-bae4-711821a3ce49] 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 36162e40-f3b4-46e3-bae4-711821a3ce49 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:13:04.339 10 WARNING nova.scheduler.utils [None req-617acb9a-6798-4ee0-9ccf-e371e4e1b308 b62bbe4bef8c4322bc2181885ba5f8df e7b4bb0d798b41049f2dcb0ebe3542ca - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 36162e40-f3b4-46e3-bae4-711821a3ce49.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 36162e40-f3b4-46e3-bae4-711821a3ce49.
2026-07-21 22:13:04.340 10 WARNING nova.scheduler.utils [None req-617acb9a-6798-4ee0-9ccf-e371e4e1b308 b62bbe4bef8c4322bc2181885ba5f8df e7b4bb0d798b41049f2dcb0ebe3542ca - - default default] [instance: 36162e40-f3b4-46e3-bae4-711821a3ce49] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 36162e40-f3b4-46e3-bae4-711821a3ce49.
2026-07-21 22:13:04.402 10 WARNING neutronclient.v2_0.client [None req-617acb9a-6798-4ee0-9ccf-e371e4e1b308 b62bbe4bef8c4322bc2181885ba5f8df e7b4bb0d798b41049f2dcb0ebe3542ca - - 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 36162e40-f3b4-46e3-bae4-711821a3ce49.
2026-07-21 22:13:04.457 10 WARNING neutronclient.v2_0.client [None req-617acb9a-6798-4ee0-9ccf-e371e4e1b308 b62bbe4bef8c4322bc2181885ba5f8df e7b4bb0d798b41049f2dcb0ebe3542ca - - 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 36162e40-f3b4-46e3-bae4-711821a3ce49.
2026-07-21 22:13:25.700 12 ERROR nova.scheduler.utils [None req-dcadca74-402b-4b3e-ad38-f34416af6d85 47a9e90f949346da854f5fa6f47b73b3 f50a443280d54905b3d92a1e2a707cd7 - - default default] [instance: b5b4a526-4a2c-49a8-91a0-fcf9b4c50989] 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 b5b4a526-4a2c-49a8-91a0-fcf9b4c50989 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 22:13:25.701 12 WARNING nova.scheduler.utils [None req-dcadca74-402b-4b3e-ad38-f34416af6d85 47a9e90f949346da854f5fa6f47b73b3 f50a443280d54905b3d92a1e2a707cd7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b5b4a526-4a2c-49a8-91a0-fcf9b4c50989.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b5b4a526-4a2c-49a8-91a0-fcf9b4c50989.
2026-07-21 22:13:25.701 12 WARNING nova.scheduler.utils [None req-dcadca74-402b-4b3e-ad38-f34416af6d85 47a9e90f949346da854f5fa6f47b73b3 f50a443280d54905b3d92a1e2a707cd7 - - default default] [instance: b5b4a526-4a2c-49a8-91a0-fcf9b4c50989] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b5b4a526-4a2c-49a8-91a0-fcf9b4c50989.
2026-07-21 22:13:25.744 12 WARNING neutronclient.v2_0.client [None req-dcadca74-402b-4b3e-ad38-f34416af6d85 47a9e90f949346da854f5fa6f47b73b3 f50a443280d54905b3d92a1e2a707cd7 - - 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 b5b4a526-4a2c-49a8-91a0-fcf9b4c50989.
2026-07-21 22:13:25.768 12 WARNING neutronclient.v2_0.client [None req-dcadca74-402b-4b3e-ad38-f34416af6d85 47a9e90f949346da854f5fa6f47b73b3 f50a443280d54905b3d92a1e2a707cd7 - - 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 b5b4a526-4a2c-49a8-91a0-fcf9b4c50989.