+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-10 00:23:28.645 1 INFO nova.utils [None req-3ae5ab79-e8e8-4ef2-b276-6613ea4adede - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-10 00:23:28.810 1 INFO nova.utils [None req-3ae5ab79-e8e8-4ef2-b276-6613ea4adede - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-10 00:23:29.811 1 INFO nova.utils [None req-3ae5ab79-e8e8-4ef2-b276-6613ea4adede - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-10 00:23:29.814 1 WARNING oslo_service.backend._threading.service [None req-3ae5ab79-e8e8-4ef2-b276-6613ea4adede - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-10 00:23:29.822 1 WARNING oslo_config.cfg [None req-3ae5ab79-e8e8-4ef2-b276-6613ea4adede - - - - - -] 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.
2026-07-10 00:23:29.865 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-10 00:23:29.886 13 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-10 01:04:41.730 10 INFO nova.utils [None req-e573f603-8bce-491d-a71c-3444655ebbec 4f6dce588b204afc880442e8366933d1 ca6d60f2c9514df290ff0eb3715d30e4 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-10 01:04:41.902 10 INFO nova.compute.rpcapi [None req-de8026fb-6d4a-4c9e-b9c9-e7b2198e3d6a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-10 01:04:42.171 13 INFO nova.utils [None req-407cecc9-d39e-440d-9f82-379f6ffee32d 65cc644b958445c4a0be2a567b43f90c c4b51cc7d2644c90b161965b6f5d7764 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-10 01:04:42.304 13 INFO nova.compute.rpcapi [None req-6ad0aa18-c15d-4b02-9a9d-15512ee9f0cd - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-10 01:04:56.981 13 ERROR nova.scheduler.utils [None req-e573f603-8bce-491d-a71c-3444655ebbec 4f6dce588b204afc880442e8366933d1 ca6d60f2c9514df290ff0eb3715d30e4 - - default default] [instance: 83b52f6e-8065-4f69-b44f-8e5dedd71d3e] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 83b52f6e-8065-4f69-b44f-8e5dedd71d3e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:04:56.983 13 WARNING nova.scheduler.utils [None req-e573f603-8bce-491d-a71c-3444655ebbec 4f6dce588b204afc880442e8366933d1 ca6d60f2c9514df290ff0eb3715d30e4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 83b52f6e-8065-4f69-b44f-8e5dedd71d3e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 83b52f6e-8065-4f69-b44f-8e5dedd71d3e.
2026-07-10 01:04:56.983 13 WARNING nova.scheduler.utils [None req-e573f603-8bce-491d-a71c-3444655ebbec 4f6dce588b204afc880442e8366933d1 ca6d60f2c9514df290ff0eb3715d30e4 - - default default] [instance: 83b52f6e-8065-4f69-b44f-8e5dedd71d3e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 83b52f6e-8065-4f69-b44f-8e5dedd71d3e.
2026-07-10 01:04:57.061 13 WARNING neutronclient.v2_0.client [None req-e573f603-8bce-491d-a71c-3444655ebbec 4f6dce588b204afc880442e8366933d1 ca6d60f2c9514df290ff0eb3715d30e4 - - 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 83b52f6e-8065-4f69-b44f-8e5dedd71d3e.
2026-07-10 01:04:57.428 13 WARNING neutronclient.v2_0.client [None req-e573f603-8bce-491d-a71c-3444655ebbec 4f6dce588b204afc880442e8366933d1 ca6d60f2c9514df290ff0eb3715d30e4 - - 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 83b52f6e-8065-4f69-b44f-8e5dedd71d3e.
2026-07-10 01:05:01.793 10 ERROR nova.scheduler.utils [None req-407cecc9-d39e-440d-9f82-379f6ffee32d 65cc644b958445c4a0be2a567b43f90c c4b51cc7d2644c90b161965b6f5d7764 - - default default] [instance: 3453dd15-2b18-4a8a-b293-30bfac4d2031] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 3453dd15-2b18-4a8a-b293-30bfac4d2031 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:05:01.794 10 WARNING nova.scheduler.utils [None req-407cecc9-d39e-440d-9f82-379f6ffee32d 65cc644b958445c4a0be2a567b43f90c c4b51cc7d2644c90b161965b6f5d7764 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3453dd15-2b18-4a8a-b293-30bfac4d2031.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3453dd15-2b18-4a8a-b293-30bfac4d2031.
2026-07-10 01:05:01.795 10 WARNING nova.scheduler.utils [None req-407cecc9-d39e-440d-9f82-379f6ffee32d 65cc644b958445c4a0be2a567b43f90c c4b51cc7d2644c90b161965b6f5d7764 - - default default] [instance: 3453dd15-2b18-4a8a-b293-30bfac4d2031] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3453dd15-2b18-4a8a-b293-30bfac4d2031.
2026-07-10 01:05:01.938 10 WARNING neutronclient.v2_0.client [None req-407cecc9-d39e-440d-9f82-379f6ffee32d 65cc644b958445c4a0be2a567b43f90c c4b51cc7d2644c90b161965b6f5d7764 - - 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 3453dd15-2b18-4a8a-b293-30bfac4d2031.
2026-07-10 01:05:02.488 10 WARNING neutronclient.v2_0.client [None req-407cecc9-d39e-440d-9f82-379f6ffee32d 65cc644b958445c4a0be2a567b43f90c c4b51cc7d2644c90b161965b6f5d7764 - - 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 3453dd15-2b18-4a8a-b293-30bfac4d2031.
2026-07-10 01:05:08.470 13 ERROR nova.scheduler.utils [None req-d1767cc3-b72d-479a-9444-a40ddbe1d416 9e9fa3d8bbed4f888ac59d224df7035b 7bff717ae8e14fcdbdb1b4471e99b745 - - default default] [instance: d1c8a157-99a6-4889-af37-cdd174cbef6d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d1c8a157-99a6-4889-af37-cdd174cbef6d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:05:08.471 13 WARNING nova.scheduler.utils [None req-d1767cc3-b72d-479a-9444-a40ddbe1d416 9e9fa3d8bbed4f888ac59d224df7035b 7bff717ae8e14fcdbdb1b4471e99b745 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1c8a157-99a6-4889-af37-cdd174cbef6d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1c8a157-99a6-4889-af37-cdd174cbef6d.
2026-07-10 01:05:08.472 13 WARNING nova.scheduler.utils [None req-d1767cc3-b72d-479a-9444-a40ddbe1d416 9e9fa3d8bbed4f888ac59d224df7035b 7bff717ae8e14fcdbdb1b4471e99b745 - - default default] [instance: d1c8a157-99a6-4889-af37-cdd174cbef6d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1c8a157-99a6-4889-af37-cdd174cbef6d.
2026-07-10 01:05:08.518 13 WARNING neutronclient.v2_0.client [None req-d1767cc3-b72d-479a-9444-a40ddbe1d416 9e9fa3d8bbed4f888ac59d224df7035b 7bff717ae8e14fcdbdb1b4471e99b745 - - 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 d1c8a157-99a6-4889-af37-cdd174cbef6d.
2026-07-10 01:05:08.549 13 WARNING neutronclient.v2_0.client [None req-d1767cc3-b72d-479a-9444-a40ddbe1d416 9e9fa3d8bbed4f888ac59d224df7035b 7bff717ae8e14fcdbdb1b4471e99b745 - - 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 d1c8a157-99a6-4889-af37-cdd174cbef6d.
2026-07-10 01:05:18.234 13 ERROR nova.scheduler.utils [None req-0b9d6dc0-145c-4bce-ad58-bc573cae2b7c 6f70b123a51544d38dce34ea3b8e2643 dfce03c76f6647cb9ff07e7655794ea5 - - default default] [instance: 473bd714-4f8c-4a90-8a47-f9d3f250e689] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 473bd714-4f8c-4a90-8a47-f9d3f250e689 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:05:18.235 13 WARNING nova.scheduler.utils [None req-0b9d6dc0-145c-4bce-ad58-bc573cae2b7c 6f70b123a51544d38dce34ea3b8e2643 dfce03c76f6647cb9ff07e7655794ea5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 473bd714-4f8c-4a90-8a47-f9d3f250e689.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 473bd714-4f8c-4a90-8a47-f9d3f250e689.
2026-07-10 01:05:18.235 13 WARNING nova.scheduler.utils [None req-0b9d6dc0-145c-4bce-ad58-bc573cae2b7c 6f70b123a51544d38dce34ea3b8e2643 dfce03c76f6647cb9ff07e7655794ea5 - - default default] [instance: 473bd714-4f8c-4a90-8a47-f9d3f250e689] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 473bd714-4f8c-4a90-8a47-f9d3f250e689.
2026-07-10 01:05:18.315 13 WARNING neutronclient.v2_0.client [None req-0b9d6dc0-145c-4bce-ad58-bc573cae2b7c 6f70b123a51544d38dce34ea3b8e2643 dfce03c76f6647cb9ff07e7655794ea5 - - 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 473bd714-4f8c-4a90-8a47-f9d3f250e689.
2026-07-10 01:05:18.348 13 WARNING neutronclient.v2_0.client [None req-0b9d6dc0-145c-4bce-ad58-bc573cae2b7c 6f70b123a51544d38dce34ea3b8e2643 dfce03c76f6647cb9ff07e7655794ea5 - - 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 473bd714-4f8c-4a90-8a47-f9d3f250e689.
2026-07-10 01:05:36.651 10 ERROR nova.scheduler.utils [None req-c47a4a4e-377b-40dc-9379-525ff2fcb7e6 f555b56802b04924b445d3a09cc453dd 229afa96b8654802b8a36a650eb80ac1 - - default default] [instance: a083674a-4b6d-4b8b-827e-9eabb3a3922b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a083674a-4b6d-4b8b-827e-9eabb3a3922b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:05:36.653 10 WARNING nova.scheduler.utils [None req-c47a4a4e-377b-40dc-9379-525ff2fcb7e6 f555b56802b04924b445d3a09cc453dd 229afa96b8654802b8a36a650eb80ac1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a083674a-4b6d-4b8b-827e-9eabb3a3922b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a083674a-4b6d-4b8b-827e-9eabb3a3922b.
2026-07-10 01:05:36.653 10 WARNING nova.scheduler.utils [None req-c47a4a4e-377b-40dc-9379-525ff2fcb7e6 f555b56802b04924b445d3a09cc453dd 229afa96b8654802b8a36a650eb80ac1 - - default default] [instance: a083674a-4b6d-4b8b-827e-9eabb3a3922b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a083674a-4b6d-4b8b-827e-9eabb3a3922b.
2026-07-10 01:05:36.704 10 WARNING neutronclient.v2_0.client [None req-c47a4a4e-377b-40dc-9379-525ff2fcb7e6 f555b56802b04924b445d3a09cc453dd 229afa96b8654802b8a36a650eb80ac1 - - 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 a083674a-4b6d-4b8b-827e-9eabb3a3922b.
2026-07-10 01:05:36.736 10 WARNING neutronclient.v2_0.client [None req-c47a4a4e-377b-40dc-9379-525ff2fcb7e6 f555b56802b04924b445d3a09cc453dd 229afa96b8654802b8a36a650eb80ac1 - - 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 a083674a-4b6d-4b8b-827e-9eabb3a3922b.
2026-07-10 01:06:09.312 13 ERROR nova.scheduler.utils [None req-b6a63850-dc77-4be4-a917-fe765f6bf261 9d617665651f477fbd4bfd121787f1cd eb7300eb61374c9fad56d6bfa1bc67ad - - default default] [instance: e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:06:09.314 13 WARNING nova.scheduler.utils [None req-b6a63850-dc77-4be4-a917-fe765f6bf261 9d617665651f477fbd4bfd121787f1cd eb7300eb61374c9fad56d6bfa1bc67ad - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db.
2026-07-10 01:06:09.314 13 WARNING nova.scheduler.utils [None req-b6a63850-dc77-4be4-a917-fe765f6bf261 9d617665651f477fbd4bfd121787f1cd eb7300eb61374c9fad56d6bfa1bc67ad - - default default] [instance: e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db.
2026-07-10 01:06:09.365 13 WARNING neutronclient.v2_0.client [None req-b6a63850-dc77-4be4-a917-fe765f6bf261 9d617665651f477fbd4bfd121787f1cd eb7300eb61374c9fad56d6bfa1bc67ad - - 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 e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db.
2026-07-10 01:06:09.404 13 WARNING neutronclient.v2_0.client [None req-b6a63850-dc77-4be4-a917-fe765f6bf261 9d617665651f477fbd4bfd121787f1cd eb7300eb61374c9fad56d6bfa1bc67ad - - 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 e3e8b67e-9de2-4d55-a1cd-b7fa4d3246db.
2026-07-10 01:06:26.059 13 ERROR nova.scheduler.utils [None req-3aec16ca-d7ce-4390-b385-946a97025c34 80eb9f05487e4307b9ad6677d35888ad f9ab624bde31446885feb7b1c7814d1c - - default default] [instance: 631fb8dc-6ba8-4df8-b31a-09bff1774188] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 631fb8dc-6ba8-4df8-b31a-09bff1774188 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:06:26.061 13 WARNING nova.scheduler.utils [None req-3aec16ca-d7ce-4390-b385-946a97025c34 80eb9f05487e4307b9ad6677d35888ad f9ab624bde31446885feb7b1c7814d1c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 631fb8dc-6ba8-4df8-b31a-09bff1774188.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 631fb8dc-6ba8-4df8-b31a-09bff1774188.
2026-07-10 01:06:26.062 13 WARNING nova.scheduler.utils [None req-3aec16ca-d7ce-4390-b385-946a97025c34 80eb9f05487e4307b9ad6677d35888ad f9ab624bde31446885feb7b1c7814d1c - - default default] [instance: 631fb8dc-6ba8-4df8-b31a-09bff1774188] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 631fb8dc-6ba8-4df8-b31a-09bff1774188.
2026-07-10 01:06:26.115 13 WARNING neutronclient.v2_0.client [None req-3aec16ca-d7ce-4390-b385-946a97025c34 80eb9f05487e4307b9ad6677d35888ad f9ab624bde31446885feb7b1c7814d1c - - 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 631fb8dc-6ba8-4df8-b31a-09bff1774188.
2026-07-10 01:06:26.153 13 WARNING neutronclient.v2_0.client [None req-3aec16ca-d7ce-4390-b385-946a97025c34 80eb9f05487e4307b9ad6677d35888ad f9ab624bde31446885feb7b1c7814d1c - - 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 631fb8dc-6ba8-4df8-b31a-09bff1774188.
2026-07-10 01:06:50.698 10 ERROR nova.scheduler.utils [None req-6f89d931-0781-4476-8eea-f2ce5a4325bc ab528e9ac4c64609bc9f36a6b8b8f97a 0fa0d62b71424fadb51a8bf3311dbe3f - - default default] [instance: 4ad141de-9d05-4d18-85b5-9ee3a7e993dd] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 4ad141de-9d05-4d18-85b5-9ee3a7e993dd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:06:50.699 10 WARNING nova.scheduler.utils [None req-6f89d931-0781-4476-8eea-f2ce5a4325bc ab528e9ac4c64609bc9f36a6b8b8f97a 0fa0d62b71424fadb51a8bf3311dbe3f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4ad141de-9d05-4d18-85b5-9ee3a7e993dd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4ad141de-9d05-4d18-85b5-9ee3a7e993dd.
2026-07-10 01:06:50.699 10 WARNING nova.scheduler.utils [None req-6f89d931-0781-4476-8eea-f2ce5a4325bc ab528e9ac4c64609bc9f36a6b8b8f97a 0fa0d62b71424fadb51a8bf3311dbe3f - - default default] [instance: 4ad141de-9d05-4d18-85b5-9ee3a7e993dd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4ad141de-9d05-4d18-85b5-9ee3a7e993dd.
2026-07-10 01:06:50.745 10 WARNING neutronclient.v2_0.client [None req-6f89d931-0781-4476-8eea-f2ce5a4325bc ab528e9ac4c64609bc9f36a6b8b8f97a 0fa0d62b71424fadb51a8bf3311dbe3f - - 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 4ad141de-9d05-4d18-85b5-9ee3a7e993dd.
2026-07-10 01:06:50.772 10 WARNING neutronclient.v2_0.client [None req-6f89d931-0781-4476-8eea-f2ce5a4325bc ab528e9ac4c64609bc9f36a6b8b8f97a 0fa0d62b71424fadb51a8bf3311dbe3f - - 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 4ad141de-9d05-4d18-85b5-9ee3a7e993dd.
2026-07-10 01:07:02.439 13 ERROR nova.scheduler.utils [None req-e2087614-2e0d-4bc3-b9a2-1b5a615aa8d1 044eef251bc04a728d3e215f53955e14 d7bef1e0ccc5446d890c6f2510370a89 - - default default] [instance: a972b2e4-201a-430b-a18b-8914d0f44e2f] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a972b2e4-201a-430b-a18b-8914d0f44e2f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:07:02.440 13 WARNING nova.scheduler.utils [None req-e2087614-2e0d-4bc3-b9a2-1b5a615aa8d1 044eef251bc04a728d3e215f53955e14 d7bef1e0ccc5446d890c6f2510370a89 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a972b2e4-201a-430b-a18b-8914d0f44e2f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a972b2e4-201a-430b-a18b-8914d0f44e2f.
2026-07-10 01:07:02.440 13 WARNING nova.scheduler.utils [None req-e2087614-2e0d-4bc3-b9a2-1b5a615aa8d1 044eef251bc04a728d3e215f53955e14 d7bef1e0ccc5446d890c6f2510370a89 - - default default] [instance: a972b2e4-201a-430b-a18b-8914d0f44e2f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a972b2e4-201a-430b-a18b-8914d0f44e2f.
2026-07-10 01:07:02.489 13 WARNING neutronclient.v2_0.client [None req-e2087614-2e0d-4bc3-b9a2-1b5a615aa8d1 044eef251bc04a728d3e215f53955e14 d7bef1e0ccc5446d890c6f2510370a89 - - 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 a972b2e4-201a-430b-a18b-8914d0f44e2f.
2026-07-10 01:07:02.590 13 WARNING neutronclient.v2_0.client [None req-e2087614-2e0d-4bc3-b9a2-1b5a615aa8d1 044eef251bc04a728d3e215f53955e14 d7bef1e0ccc5446d890c6f2510370a89 - - 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 a972b2e4-201a-430b-a18b-8914d0f44e2f.
2026-07-10 01:08:12.032 10 ERROR nova.scheduler.utils [None req-6836cd23-d303-4912-ac9a-ddbf2aed6d1c 744115d5419d42edbf5bedd691f37f36 d2631f21b40740cb9be3434f940b2e94 - - default default] [instance: a481276d-67af-4da2-9284-664b607a43a2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a481276d-67af-4da2-9284-664b607a43a2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-10 01:08:12.033 10 WARNING nova.scheduler.utils [None req-6836cd23-d303-4912-ac9a-ddbf2aed6d1c 744115d5419d42edbf5bedd691f37f36 d2631f21b40740cb9be3434f940b2e94 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a481276d-67af-4da2-9284-664b607a43a2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a481276d-67af-4da2-9284-664b607a43a2.
2026-07-10 01:08:12.033 10 WARNING nova.scheduler.utils [None req-6836cd23-d303-4912-ac9a-ddbf2aed6d1c 744115d5419d42edbf5bedd691f37f36 d2631f21b40740cb9be3434f940b2e94 - - default default] [instance: a481276d-67af-4da2-9284-664b607a43a2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a481276d-67af-4da2-9284-664b607a43a2.
2026-07-10 01:08:12.112 10 WARNING neutronclient.v2_0.client [None req-6836cd23-d303-4912-ac9a-ddbf2aed6d1c 744115d5419d42edbf5bedd691f37f36 d2631f21b40740cb9be3434f940b2e94 - - 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 a481276d-67af-4da2-9284-664b607a43a2.
2026-07-10 01:08:12.143 10 WARNING neutronclient.v2_0.client [None req-6836cd23-d303-4912-ac9a-ddbf2aed6d1c 744115d5419d42edbf5bedd691f37f36 d2631f21b40740cb9be3434f940b2e94 - - 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 a481276d-67af-4da2-9284-664b607a43a2.