+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-23 03:54:26.036 1 INFO nova.utils [None req-e1d93f88-1a36-467d-869c-3e0829065503 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-23 03:54:26.190 1 INFO nova.utils [None req-e1d93f88-1a36-467d-869c-3e0829065503 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-23 03:54:27.190 1 INFO nova.utils [None req-e1d93f88-1a36-467d-869c-3e0829065503 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-23 03:54:27.193 1 WARNING oslo_service.backend._threading.service [None req-e1d93f88-1a36-467d-869c-3e0829065503 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-23 03:54:27.204 1 WARNING oslo_config.cfg [None req-e1d93f88-1a36-467d-869c-3e0829065503 - - - - - -] 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.
2026-07-23 03:54:27.263 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-23 03:54:27.282 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-23 04:35:39.516 10 INFO nova.utils [None req-6ffe2706-37ad-4ba6-b5cc-ca68c6cda26c 6d5eb35b572b45dc9935105bebd7f5c0 c5d8ecf7f68049c39dbb97919d6dc8e4 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-23 04:35:39.667 10 INFO nova.compute.rpcapi [None req-1c05ad1a-83b7-4fa2-80d6-65e4b81abc7a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-23 04:35:55.691 10 ERROR nova.scheduler.utils [None req-6ffe2706-37ad-4ba6-b5cc-ca68c6cda26c 6d5eb35b572b45dc9935105bebd7f5c0 c5d8ecf7f68049c39dbb97919d6dc8e4 - - default default] [instance: eee728cf-2d5e-4ae6-90fe-31c8870bf70e] 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 eee728cf-2d5e-4ae6-90fe-31c8870bf70e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:35:55.693 10 WARNING nova.scheduler.utils [None req-6ffe2706-37ad-4ba6-b5cc-ca68c6cda26c 6d5eb35b572b45dc9935105bebd7f5c0 c5d8ecf7f68049c39dbb97919d6dc8e4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eee728cf-2d5e-4ae6-90fe-31c8870bf70e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eee728cf-2d5e-4ae6-90fe-31c8870bf70e.
2026-07-23 04:35:55.693 10 WARNING nova.scheduler.utils [None req-6ffe2706-37ad-4ba6-b5cc-ca68c6cda26c 6d5eb35b572b45dc9935105bebd7f5c0 c5d8ecf7f68049c39dbb97919d6dc8e4 - - default default] [instance: eee728cf-2d5e-4ae6-90fe-31c8870bf70e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eee728cf-2d5e-4ae6-90fe-31c8870bf70e.
2026-07-23 04:35:55.798 10 WARNING neutronclient.v2_0.client [None req-6ffe2706-37ad-4ba6-b5cc-ca68c6cda26c 6d5eb35b572b45dc9935105bebd7f5c0 c5d8ecf7f68049c39dbb97919d6dc8e4 - - 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 eee728cf-2d5e-4ae6-90fe-31c8870bf70e.
2026-07-23 04:35:56.223 10 WARNING neutronclient.v2_0.client [None req-6ffe2706-37ad-4ba6-b5cc-ca68c6cda26c 6d5eb35b572b45dc9935105bebd7f5c0 c5d8ecf7f68049c39dbb97919d6dc8e4 - - 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 eee728cf-2d5e-4ae6-90fe-31c8870bf70e.
2026-07-23 04:36:04.963 12 ERROR nova.scheduler.utils [None req-9cf60275-6479-43ef-9b06-91799813807c 035b1237a800469ab00d1d5c0531617a 3144370c4f564054a06555dfc681061e - - default default] [instance: c3764344-bdbc-4e9b-a3d3-6020c35d31b1] 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 c3764344-bdbc-4e9b-a3d3-6020c35d31b1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:36:04.964 12 WARNING nova.scheduler.utils [None req-9cf60275-6479-43ef-9b06-91799813807c 035b1237a800469ab00d1d5c0531617a 3144370c4f564054a06555dfc681061e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c3764344-bdbc-4e9b-a3d3-6020c35d31b1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c3764344-bdbc-4e9b-a3d3-6020c35d31b1.
2026-07-23 04:36:04.964 12 WARNING nova.scheduler.utils [None req-9cf60275-6479-43ef-9b06-91799813807c 035b1237a800469ab00d1d5c0531617a 3144370c4f564054a06555dfc681061e - - default default] [instance: c3764344-bdbc-4e9b-a3d3-6020c35d31b1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c3764344-bdbc-4e9b-a3d3-6020c35d31b1.
2026-07-23 04:36:05.064 12 WARNING neutronclient.v2_0.client [None req-9cf60275-6479-43ef-9b06-91799813807c 035b1237a800469ab00d1d5c0531617a 3144370c4f564054a06555dfc681061e - - 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 c3764344-bdbc-4e9b-a3d3-6020c35d31b1.
2026-07-23 04:36:05.762 12 WARNING neutronclient.v2_0.client [None req-9cf60275-6479-43ef-9b06-91799813807c 035b1237a800469ab00d1d5c0531617a 3144370c4f564054a06555dfc681061e - - 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 c3764344-bdbc-4e9b-a3d3-6020c35d31b1.
2026-07-23 04:36:06.635 10 ERROR nova.scheduler.utils [None req-7422fbc8-eb2d-4182-b5de-eecc21c707c8 024994d3e69342978fd3801ef4613c80 8bd5caca59d34effb9c70be446530461 - - default default] [instance: c5bbece8-bb5e-4214-a72a-6115e9559901] 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 c5bbece8-bb5e-4214-a72a-6115e9559901 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:36:06.637 10 WARNING nova.scheduler.utils [None req-7422fbc8-eb2d-4182-b5de-eecc21c707c8 024994d3e69342978fd3801ef4613c80 8bd5caca59d34effb9c70be446530461 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5bbece8-bb5e-4214-a72a-6115e9559901.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5bbece8-bb5e-4214-a72a-6115e9559901.
2026-07-23 04:36:06.637 10 WARNING nova.scheduler.utils [None req-7422fbc8-eb2d-4182-b5de-eecc21c707c8 024994d3e69342978fd3801ef4613c80 8bd5caca59d34effb9c70be446530461 - - default default] [instance: c5bbece8-bb5e-4214-a72a-6115e9559901] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5bbece8-bb5e-4214-a72a-6115e9559901.
2026-07-23 04:36:06.701 10 WARNING neutronclient.v2_0.client [None req-7422fbc8-eb2d-4182-b5de-eecc21c707c8 024994d3e69342978fd3801ef4613c80 8bd5caca59d34effb9c70be446530461 - - 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 c5bbece8-bb5e-4214-a72a-6115e9559901.
2026-07-23 04:36:06.726 10 WARNING neutronclient.v2_0.client [None req-7422fbc8-eb2d-4182-b5de-eecc21c707c8 024994d3e69342978fd3801ef4613c80 8bd5caca59d34effb9c70be446530461 - - 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 c5bbece8-bb5e-4214-a72a-6115e9559901.
2026-07-23 04:36:08.229 10 ERROR nova.scheduler.utils [None req-a0b46d36-baf3-42cb-86ac-41e145961392 7573d899d75e47d8bc68a141061a937b 3cdb8c3f9a10448bbad4f253bd6dc04b - - default default] [instance: 60aeede7-4a5c-471e-8807-918c6599fe61] 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 60aeede7-4a5c-471e-8807-918c6599fe61 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:36:08.231 10 WARNING nova.scheduler.utils [None req-a0b46d36-baf3-42cb-86ac-41e145961392 7573d899d75e47d8bc68a141061a937b 3cdb8c3f9a10448bbad4f253bd6dc04b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60aeede7-4a5c-471e-8807-918c6599fe61.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60aeede7-4a5c-471e-8807-918c6599fe61.
2026-07-23 04:36:08.231 10 WARNING nova.scheduler.utils [None req-a0b46d36-baf3-42cb-86ac-41e145961392 7573d899d75e47d8bc68a141061a937b 3cdb8c3f9a10448bbad4f253bd6dc04b - - default default] [instance: 60aeede7-4a5c-471e-8807-918c6599fe61] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60aeede7-4a5c-471e-8807-918c6599fe61.
2026-07-23 04:36:08.290 10 WARNING neutronclient.v2_0.client [None req-a0b46d36-baf3-42cb-86ac-41e145961392 7573d899d75e47d8bc68a141061a937b 3cdb8c3f9a10448bbad4f253bd6dc04b - - 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 60aeede7-4a5c-471e-8807-918c6599fe61.
2026-07-23 04:36:08.313 10 WARNING neutronclient.v2_0.client [None req-a0b46d36-baf3-42cb-86ac-41e145961392 7573d899d75e47d8bc68a141061a937b 3cdb8c3f9a10448bbad4f253bd6dc04b - - 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 60aeede7-4a5c-471e-8807-918c6599fe61.
2026-07-23 04:36:21.454 12 INFO nova.utils [None req-e06b581d-42ae-4ad9-bee4-b0ee6940d554 d7509f1b44284fa68f5ce78c481ed989 4328b533d59d4fed8b6f58693ca7e683 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-23 04:36:21.596 12 INFO nova.compute.rpcapi [None req-722cbc9e-5136-4638-984e-e9a980e5dcd6 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-23 04:36:35.100 10 ERROR nova.scheduler.utils [None req-e06b581d-42ae-4ad9-bee4-b0ee6940d554 d7509f1b44284fa68f5ce78c481ed989 4328b533d59d4fed8b6f58693ca7e683 - - default default] [instance: b162259a-1245-47de-b071-dd0ce38c7f2d] 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 b162259a-1245-47de-b071-dd0ce38c7f2d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:36:35.102 10 WARNING nova.scheduler.utils [None req-e06b581d-42ae-4ad9-bee4-b0ee6940d554 d7509f1b44284fa68f5ce78c481ed989 4328b533d59d4fed8b6f58693ca7e683 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b162259a-1245-47de-b071-dd0ce38c7f2d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b162259a-1245-47de-b071-dd0ce38c7f2d.
2026-07-23 04:36:35.102 10 WARNING nova.scheduler.utils [None req-e06b581d-42ae-4ad9-bee4-b0ee6940d554 d7509f1b44284fa68f5ce78c481ed989 4328b533d59d4fed8b6f58693ca7e683 - - default default] [instance: b162259a-1245-47de-b071-dd0ce38c7f2d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b162259a-1245-47de-b071-dd0ce38c7f2d.
2026-07-23 04:36:35.151 10 WARNING neutronclient.v2_0.client [None req-e06b581d-42ae-4ad9-bee4-b0ee6940d554 d7509f1b44284fa68f5ce78c481ed989 4328b533d59d4fed8b6f58693ca7e683 - - 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 b162259a-1245-47de-b071-dd0ce38c7f2d.
2026-07-23 04:36:35.181 10 WARNING neutronclient.v2_0.client [None req-e06b581d-42ae-4ad9-bee4-b0ee6940d554 d7509f1b44284fa68f5ce78c481ed989 4328b533d59d4fed8b6f58693ca7e683 - - 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 b162259a-1245-47de-b071-dd0ce38c7f2d.
2026-07-23 04:36:37.126 12 ERROR nova.scheduler.utils [None req-b6f555e5-3fac-42d7-a768-f2a6307163f4 3dbb0b14dc9548f5b4dab22896b5df34 15efb82e257946a4ab8423ea818db122 - - default default] [instance: ae11ad72-3eda-4c89-9eee-dad99ba389a9] 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 ae11ad72-3eda-4c89-9eee-dad99ba389a9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:36:37.128 12 WARNING nova.scheduler.utils [None req-b6f555e5-3fac-42d7-a768-f2a6307163f4 3dbb0b14dc9548f5b4dab22896b5df34 15efb82e257946a4ab8423ea818db122 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ae11ad72-3eda-4c89-9eee-dad99ba389a9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ae11ad72-3eda-4c89-9eee-dad99ba389a9.
2026-07-23 04:36:37.128 12 WARNING nova.scheduler.utils [None req-b6f555e5-3fac-42d7-a768-f2a6307163f4 3dbb0b14dc9548f5b4dab22896b5df34 15efb82e257946a4ab8423ea818db122 - - default default] [instance: ae11ad72-3eda-4c89-9eee-dad99ba389a9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ae11ad72-3eda-4c89-9eee-dad99ba389a9.
2026-07-23 04:36:37.184 12 WARNING neutronclient.v2_0.client [None req-b6f555e5-3fac-42d7-a768-f2a6307163f4 3dbb0b14dc9548f5b4dab22896b5df34 15efb82e257946a4ab8423ea818db122 - - 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 ae11ad72-3eda-4c89-9eee-dad99ba389a9.
2026-07-23 04:36:37.227 12 WARNING neutronclient.v2_0.client [None req-b6f555e5-3fac-42d7-a768-f2a6307163f4 3dbb0b14dc9548f5b4dab22896b5df34 15efb82e257946a4ab8423ea818db122 - - 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 ae11ad72-3eda-4c89-9eee-dad99ba389a9.
2026-07-23 04:37:41.148 10 ERROR nova.scheduler.utils [None req-bde720da-ba64-4a92-8df0-23c655f569c0 31710367297849b6898540e0b478303c 9da464824f5d4b249a141ea15691dfdd - - default default] [instance: 9e2922bb-93a4-4b83-8668-048692a9483a] 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 9e2922bb-93a4-4b83-8668-048692a9483a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:37:41.148 10 WARNING nova.scheduler.utils [None req-bde720da-ba64-4a92-8df0-23c655f569c0 31710367297849b6898540e0b478303c 9da464824f5d4b249a141ea15691dfdd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e2922bb-93a4-4b83-8668-048692a9483a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e2922bb-93a4-4b83-8668-048692a9483a.
2026-07-23 04:37:41.149 10 WARNING nova.scheduler.utils [None req-bde720da-ba64-4a92-8df0-23c655f569c0 31710367297849b6898540e0b478303c 9da464824f5d4b249a141ea15691dfdd - - default default] [instance: 9e2922bb-93a4-4b83-8668-048692a9483a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e2922bb-93a4-4b83-8668-048692a9483a.
2026-07-23 04:37:41.215 10 WARNING neutronclient.v2_0.client [None req-bde720da-ba64-4a92-8df0-23c655f569c0 31710367297849b6898540e0b478303c 9da464824f5d4b249a141ea15691dfdd - - 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 9e2922bb-93a4-4b83-8668-048692a9483a.
2026-07-23 04:37:41.248 10 WARNING neutronclient.v2_0.client [None req-bde720da-ba64-4a92-8df0-23c655f569c0 31710367297849b6898540e0b478303c 9da464824f5d4b249a141ea15691dfdd - - 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 9e2922bb-93a4-4b83-8668-048692a9483a.
2026-07-23 04:38:21.124 12 ERROR nova.scheduler.utils [None req-dd84f582-84a3-46e4-bdfb-258b9212778e fdb6029760654534b88b169cf53d911b 0189c25f8bb44fbf9676a5a2df730599 - - default default] [instance: bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe] 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 bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:38:21.125 12 WARNING nova.scheduler.utils [None req-dd84f582-84a3-46e4-bdfb-258b9212778e fdb6029760654534b88b169cf53d911b 0189c25f8bb44fbf9676a5a2df730599 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe.
2026-07-23 04:38:21.125 12 WARNING nova.scheduler.utils [None req-dd84f582-84a3-46e4-bdfb-258b9212778e fdb6029760654534b88b169cf53d911b 0189c25f8bb44fbf9676a5a2df730599 - - default default] [instance: bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe.
2026-07-23 04:38:21.181 12 WARNING neutronclient.v2_0.client [None req-dd84f582-84a3-46e4-bdfb-258b9212778e fdb6029760654534b88b169cf53d911b 0189c25f8bb44fbf9676a5a2df730599 - - 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 bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe.
2026-07-23 04:38:21.309 12 WARNING neutronclient.v2_0.client [None req-dd84f582-84a3-46e4-bdfb-258b9212778e fdb6029760654534b88b169cf53d911b 0189c25f8bb44fbf9676a5a2df730599 - - 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 bc9ceeb7-7f78-48aa-b4e5-4defb6ee7ebe.
2026-07-23 04:38:41.695 10 ERROR nova.scheduler.utils [None req-545bc531-9568-4b0a-8b30-9dc8579310d6 07f42e0c743a48c2a70bccadab11e631 c3c12c05b5a547c696042f347cdcc237 - - default default] [instance: 0174e006-a45b-46e7-a383-7ae637995741] 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 0174e006-a45b-46e7-a383-7ae637995741 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:38:41.697 10 WARNING nova.scheduler.utils [None req-545bc531-9568-4b0a-8b30-9dc8579310d6 07f42e0c743a48c2a70bccadab11e631 c3c12c05b5a547c696042f347cdcc237 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0174e006-a45b-46e7-a383-7ae637995741.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0174e006-a45b-46e7-a383-7ae637995741.
2026-07-23 04:38:41.698 10 WARNING nova.scheduler.utils [None req-545bc531-9568-4b0a-8b30-9dc8579310d6 07f42e0c743a48c2a70bccadab11e631 c3c12c05b5a547c696042f347cdcc237 - - default default] [instance: 0174e006-a45b-46e7-a383-7ae637995741] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0174e006-a45b-46e7-a383-7ae637995741.
2026-07-23 04:38:41.745 10 WARNING neutronclient.v2_0.client [None req-545bc531-9568-4b0a-8b30-9dc8579310d6 07f42e0c743a48c2a70bccadab11e631 c3c12c05b5a547c696042f347cdcc237 - - 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 0174e006-a45b-46e7-a383-7ae637995741.
2026-07-23 04:38:41.778 10 WARNING neutronclient.v2_0.client [None req-545bc531-9568-4b0a-8b30-9dc8579310d6 07f42e0c743a48c2a70bccadab11e631 c3c12c05b5a547c696042f347cdcc237 - - 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 0174e006-a45b-46e7-a383-7ae637995741.
2026-07-23 04:39:16.803 12 ERROR nova.scheduler.utils [None req-1352ecd9-ed45-432f-8fc7-a05fa6cc32c9 a87d8857672e4969aed0ec25874db154 717e1cea6b69463fa28fc86827ccedc5 - - default default] [instance: c19d2020-3418-4d3a-93d4-8b9759557f74] 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 c19d2020-3418-4d3a-93d4-8b9759557f74 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 04:39:16.804 12 WARNING nova.scheduler.utils [None req-1352ecd9-ed45-432f-8fc7-a05fa6cc32c9 a87d8857672e4969aed0ec25874db154 717e1cea6b69463fa28fc86827ccedc5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c19d2020-3418-4d3a-93d4-8b9759557f74.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c19d2020-3418-4d3a-93d4-8b9759557f74.
2026-07-23 04:39:16.804 12 WARNING nova.scheduler.utils [None req-1352ecd9-ed45-432f-8fc7-a05fa6cc32c9 a87d8857672e4969aed0ec25874db154 717e1cea6b69463fa28fc86827ccedc5 - - default default] [instance: c19d2020-3418-4d3a-93d4-8b9759557f74] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c19d2020-3418-4d3a-93d4-8b9759557f74.
2026-07-23 04:39:16.857 12 WARNING neutronclient.v2_0.client [None req-1352ecd9-ed45-432f-8fc7-a05fa6cc32c9 a87d8857672e4969aed0ec25874db154 717e1cea6b69463fa28fc86827ccedc5 - - 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 c19d2020-3418-4d3a-93d4-8b9759557f74.
2026-07-23 04:39:16.889 12 WARNING neutronclient.v2_0.client [None req-1352ecd9-ed45-432f-8fc7-a05fa6cc32c9 a87d8857672e4969aed0ec25874db154 717e1cea6b69463fa28fc86827ccedc5 - - 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 c19d2020-3418-4d3a-93d4-8b9759557f74.