+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-16 00:56:19.947 1 INFO nova.utils [None req-4bfddd5e-5e6a-47ea-b251-196a9ebf0a5a - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-16 00:56:20.103 1 INFO nova.utils [None req-4bfddd5e-5e6a-47ea-b251-196a9ebf0a5a - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-16 00:56:21.103 1 INFO nova.utils [None req-4bfddd5e-5e6a-47ea-b251-196a9ebf0a5a - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-16 00:56:21.105 1 WARNING oslo_service.backend._threading.service [None req-4bfddd5e-5e6a-47ea-b251-196a9ebf0a5a - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-16 00:56:21.114 1 WARNING oslo_config.cfg [None req-4bfddd5e-5e6a-47ea-b251-196a9ebf0a5a - - - - - -] 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.
2026-07-16 00:56:21.156 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 00:56:21.168 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 01:33:46.379 12 INFO nova.utils [None req-af93ed53-8f80-4135-8588-b2de18481bbf 5e2aa80fd6fc40d3b717f1d60c049902 46fe21ff11ec4b69b03a94a90c8f7cfe - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-16 01:33:46.522 12 INFO nova.compute.rpcapi [None req-f2303b05-279e-47c2-b3e8-e56d1533cda4 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 01:33:47.138 10 INFO nova.utils [None req-9e72f540-69d8-4a47-9fd7-0fa9ff16d6ad bc9df585a0274d0dbe0fb247d5ed1f20 7075f8203d1a4acc8e2b4bf366818b12 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-16 01:33:47.282 10 INFO nova.compute.rpcapi [None req-24bfafeb-d785-4acb-83d8-6c617d88d22b - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 01:34:01.453 10 ERROR nova.scheduler.utils [None req-af93ed53-8f80-4135-8588-b2de18481bbf 5e2aa80fd6fc40d3b717f1d60c049902 46fe21ff11ec4b69b03a94a90c8f7cfe - - default default] [instance: e27a24c5-be7b-4a54-af18-c6bf4b5426d3] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 e27a24c5-be7b-4a54-af18-c6bf4b5426d3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:01.454 10 WARNING nova.scheduler.utils [None req-af93ed53-8f80-4135-8588-b2de18481bbf 5e2aa80fd6fc40d3b717f1d60c049902 46fe21ff11ec4b69b03a94a90c8f7cfe - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e27a24c5-be7b-4a54-af18-c6bf4b5426d3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e27a24c5-be7b-4a54-af18-c6bf4b5426d3.
2026-07-16 01:34:01.454 10 WARNING nova.scheduler.utils [None req-af93ed53-8f80-4135-8588-b2de18481bbf 5e2aa80fd6fc40d3b717f1d60c049902 46fe21ff11ec4b69b03a94a90c8f7cfe - - default default] [instance: e27a24c5-be7b-4a54-af18-c6bf4b5426d3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e27a24c5-be7b-4a54-af18-c6bf4b5426d3.
2026-07-16 01:34:01.538 10 WARNING neutronclient.v2_0.client [None req-af93ed53-8f80-4135-8588-b2de18481bbf 5e2aa80fd6fc40d3b717f1d60c049902 46fe21ff11ec4b69b03a94a90c8f7cfe - - 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 e27a24c5-be7b-4a54-af18-c6bf4b5426d3.
2026-07-16 01:34:01.933 10 WARNING neutronclient.v2_0.client [None req-af93ed53-8f80-4135-8588-b2de18481bbf 5e2aa80fd6fc40d3b717f1d60c049902 46fe21ff11ec4b69b03a94a90c8f7cfe - - 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 e27a24c5-be7b-4a54-af18-c6bf4b5426d3.
2026-07-16 01:34:04.429 12 ERROR nova.scheduler.utils [None req-9e72f540-69d8-4a47-9fd7-0fa9ff16d6ad bc9df585a0274d0dbe0fb247d5ed1f20 7075f8203d1a4acc8e2b4bf366818b12 - - default default] [instance: 7f846e41-b87f-4ab9-a742-07cf6e965dac] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 7f846e41-b87f-4ab9-a742-07cf6e965dac was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:04.430 12 WARNING nova.scheduler.utils [None req-9e72f540-69d8-4a47-9fd7-0fa9ff16d6ad bc9df585a0274d0dbe0fb247d5ed1f20 7075f8203d1a4acc8e2b4bf366818b12 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f846e41-b87f-4ab9-a742-07cf6e965dac.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f846e41-b87f-4ab9-a742-07cf6e965dac.
2026-07-16 01:34:04.430 12 WARNING nova.scheduler.utils [None req-9e72f540-69d8-4a47-9fd7-0fa9ff16d6ad bc9df585a0274d0dbe0fb247d5ed1f20 7075f8203d1a4acc8e2b4bf366818b12 - - default default] [instance: 7f846e41-b87f-4ab9-a742-07cf6e965dac] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f846e41-b87f-4ab9-a742-07cf6e965dac.
2026-07-16 01:34:04.523 12 WARNING neutronclient.v2_0.client [None req-9e72f540-69d8-4a47-9fd7-0fa9ff16d6ad bc9df585a0274d0dbe0fb247d5ed1f20 7075f8203d1a4acc8e2b4bf366818b12 - - 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 7f846e41-b87f-4ab9-a742-07cf6e965dac.
2026-07-16 01:34:05.090 12 WARNING neutronclient.v2_0.client [None req-9e72f540-69d8-4a47-9fd7-0fa9ff16d6ad bc9df585a0274d0dbe0fb247d5ed1f20 7075f8203d1a4acc8e2b4bf366818b12 - - 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 7f846e41-b87f-4ab9-a742-07cf6e965dac.
2026-07-16 01:34:05.921 12 ERROR nova.scheduler.utils [None req-97901293-2f64-43cc-a1cc-1f4040f22345 b4d3d26b206a412ebb74018209b917bd e3964e2a0080464f99d8346b5380a1da - - default default] [instance: 21997a6d-a02c-440f-8bf4-7251791c89a6] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 21997a6d-a02c-440f-8bf4-7251791c89a6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:05.922 12 WARNING nova.scheduler.utils [None req-97901293-2f64-43cc-a1cc-1f4040f22345 b4d3d26b206a412ebb74018209b917bd e3964e2a0080464f99d8346b5380a1da - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 21997a6d-a02c-440f-8bf4-7251791c89a6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 21997a6d-a02c-440f-8bf4-7251791c89a6.
2026-07-16 01:34:05.922 12 WARNING nova.scheduler.utils [None req-97901293-2f64-43cc-a1cc-1f4040f22345 b4d3d26b206a412ebb74018209b917bd e3964e2a0080464f99d8346b5380a1da - - default default] [instance: 21997a6d-a02c-440f-8bf4-7251791c89a6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 21997a6d-a02c-440f-8bf4-7251791c89a6.
2026-07-16 01:34:05.969 12 WARNING neutronclient.v2_0.client [None req-97901293-2f64-43cc-a1cc-1f4040f22345 b4d3d26b206a412ebb74018209b917bd e3964e2a0080464f99d8346b5380a1da - - 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 21997a6d-a02c-440f-8bf4-7251791c89a6.
2026-07-16 01:34:06.006 12 WARNING neutronclient.v2_0.client [None req-97901293-2f64-43cc-a1cc-1f4040f22345 b4d3d26b206a412ebb74018209b917bd e3964e2a0080464f99d8346b5380a1da - - 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 21997a6d-a02c-440f-8bf4-7251791c89a6.
2026-07-16 01:34:35.366 12 ERROR nova.scheduler.utils [None req-26ba9fc8-d44c-448c-b1ee-bb11a3a69c88 4c7a482dcc0e4047898cfedbb1f25687 6e340ae31c684190afbf71ff260f4db0 - - default default] [instance: 73a21c27-253d-4d6f-b052-34bdb4904b14] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 73a21c27-253d-4d6f-b052-34bdb4904b14 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:35.368 12 WARNING nova.scheduler.utils [None req-26ba9fc8-d44c-448c-b1ee-bb11a3a69c88 4c7a482dcc0e4047898cfedbb1f25687 6e340ae31c684190afbf71ff260f4db0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73a21c27-253d-4d6f-b052-34bdb4904b14.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73a21c27-253d-4d6f-b052-34bdb4904b14.
2026-07-16 01:34:35.368 12 WARNING nova.scheduler.utils [None req-26ba9fc8-d44c-448c-b1ee-bb11a3a69c88 4c7a482dcc0e4047898cfedbb1f25687 6e340ae31c684190afbf71ff260f4db0 - - default default] [instance: 73a21c27-253d-4d6f-b052-34bdb4904b14] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73a21c27-253d-4d6f-b052-34bdb4904b14.
2026-07-16 01:34:35.420 12 WARNING neutronclient.v2_0.client [None req-26ba9fc8-d44c-448c-b1ee-bb11a3a69c88 4c7a482dcc0e4047898cfedbb1f25687 6e340ae31c684190afbf71ff260f4db0 - - 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 73a21c27-253d-4d6f-b052-34bdb4904b14.
2026-07-16 01:34:35.447 12 WARNING neutronclient.v2_0.client [None req-26ba9fc8-d44c-448c-b1ee-bb11a3a69c88 4c7a482dcc0e4047898cfedbb1f25687 6e340ae31c684190afbf71ff260f4db0 - - 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 73a21c27-253d-4d6f-b052-34bdb4904b14.
2026-07-16 01:34:37.025 10 ERROR nova.scheduler.utils [None req-9158dbc6-cdb5-40bf-9a23-9bcd4be2df4d 372f0bb39d3e47ebbfac8ab36077eca7 c493fcf7168e4f7b900f0499e640ec4d - - default default] [instance: d1ef46af-6d79-4d75-ad89-9790cac43b63] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 d1ef46af-6d79-4d75-ad89-9790cac43b63 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:37.026 10 WARNING nova.scheduler.utils [None req-9158dbc6-cdb5-40bf-9a23-9bcd4be2df4d 372f0bb39d3e47ebbfac8ab36077eca7 c493fcf7168e4f7b900f0499e640ec4d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1ef46af-6d79-4d75-ad89-9790cac43b63.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1ef46af-6d79-4d75-ad89-9790cac43b63.
2026-07-16 01:34:37.026 10 WARNING nova.scheduler.utils [None req-9158dbc6-cdb5-40bf-9a23-9bcd4be2df4d 372f0bb39d3e47ebbfac8ab36077eca7 c493fcf7168e4f7b900f0499e640ec4d - - default default] [instance: d1ef46af-6d79-4d75-ad89-9790cac43b63] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1ef46af-6d79-4d75-ad89-9790cac43b63.
2026-07-16 01:34:37.075 10 WARNING neutronclient.v2_0.client [None req-9158dbc6-cdb5-40bf-9a23-9bcd4be2df4d 372f0bb39d3e47ebbfac8ab36077eca7 c493fcf7168e4f7b900f0499e640ec4d - - 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 d1ef46af-6d79-4d75-ad89-9790cac43b63.
2026-07-16 01:34:37.588 10 WARNING neutronclient.v2_0.client [None req-9158dbc6-cdb5-40bf-9a23-9bcd4be2df4d 372f0bb39d3e47ebbfac8ab36077eca7 c493fcf7168e4f7b900f0499e640ec4d - - 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 d1ef46af-6d79-4d75-ad89-9790cac43b63.
2026-07-16 01:34:44.983 12 ERROR nova.scheduler.utils [None req-739a3d85-5015-4213-a22a-49f554b1e9a0 7a0449d5d6884a1ebee46e24f2ea3622 2c0a999736d143ae8eeb5e7e08a0ac6f - - default default] [instance: 0617b42d-46dc-4861-b590-e70361636cb5] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 0617b42d-46dc-4861-b590-e70361636cb5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:44.984 12 WARNING nova.scheduler.utils [None req-739a3d85-5015-4213-a22a-49f554b1e9a0 7a0449d5d6884a1ebee46e24f2ea3622 2c0a999736d143ae8eeb5e7e08a0ac6f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0617b42d-46dc-4861-b590-e70361636cb5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0617b42d-46dc-4861-b590-e70361636cb5.
2026-07-16 01:34:44.984 12 WARNING nova.scheduler.utils [None req-739a3d85-5015-4213-a22a-49f554b1e9a0 7a0449d5d6884a1ebee46e24f2ea3622 2c0a999736d143ae8eeb5e7e08a0ac6f - - default default] [instance: 0617b42d-46dc-4861-b590-e70361636cb5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0617b42d-46dc-4861-b590-e70361636cb5.
2026-07-16 01:34:45.036 12 WARNING neutronclient.v2_0.client [None req-739a3d85-5015-4213-a22a-49f554b1e9a0 7a0449d5d6884a1ebee46e24f2ea3622 2c0a999736d143ae8eeb5e7e08a0ac6f - - 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 0617b42d-46dc-4861-b590-e70361636cb5.
2026-07-16 01:34:45.148 12 WARNING neutronclient.v2_0.client [None req-739a3d85-5015-4213-a22a-49f554b1e9a0 7a0449d5d6884a1ebee46e24f2ea3622 2c0a999736d143ae8eeb5e7e08a0ac6f - - 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 0617b42d-46dc-4861-b590-e70361636cb5.
2026-07-16 01:36:07.815 12 ERROR nova.scheduler.utils [None req-2bbeac65-148e-4c69-a253-c5cc5f29f4d0 cdc507db4cb040ae88dbb18513bba305 c45f40b5f14e46eebe0fdd157afbe603 - - default default] [instance: 38280bd6-80ab-4ce5-8864-e70c78658127] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 38280bd6-80ab-4ce5-8864-e70c78658127 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:36:07.816 12 WARNING nova.scheduler.utils [None req-2bbeac65-148e-4c69-a253-c5cc5f29f4d0 cdc507db4cb040ae88dbb18513bba305 c45f40b5f14e46eebe0fdd157afbe603 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38280bd6-80ab-4ce5-8864-e70c78658127.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38280bd6-80ab-4ce5-8864-e70c78658127.
2026-07-16 01:36:07.816 12 WARNING nova.scheduler.utils [None req-2bbeac65-148e-4c69-a253-c5cc5f29f4d0 cdc507db4cb040ae88dbb18513bba305 c45f40b5f14e46eebe0fdd157afbe603 - - default default] [instance: 38280bd6-80ab-4ce5-8864-e70c78658127] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38280bd6-80ab-4ce5-8864-e70c78658127.
2026-07-16 01:36:07.867 12 WARNING neutronclient.v2_0.client [None req-2bbeac65-148e-4c69-a253-c5cc5f29f4d0 cdc507db4cb040ae88dbb18513bba305 c45f40b5f14e46eebe0fdd157afbe603 - - 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 38280bd6-80ab-4ce5-8864-e70c78658127.
2026-07-16 01:36:07.972 12 WARNING neutronclient.v2_0.client [None req-2bbeac65-148e-4c69-a253-c5cc5f29f4d0 cdc507db4cb040ae88dbb18513bba305 c45f40b5f14e46eebe0fdd157afbe603 - - 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 38280bd6-80ab-4ce5-8864-e70c78658127.
2026-07-16 01:36:24.790 12 ERROR nova.scheduler.utils [None req-a37921f6-be7e-480c-b19f-322636b2cc18 c61ae0af00fb453aad4807f273e2ddcd 5ef6bcafb0494763b560f8e99b5b79bc - - default default] [instance: 0d995f5f-c1d3-4760-b7cd-8c2e94803df1] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 0d995f5f-c1d3-4760-b7cd-8c2e94803df1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:36:24.791 12 WARNING nova.scheduler.utils [None req-a37921f6-be7e-480c-b19f-322636b2cc18 c61ae0af00fb453aad4807f273e2ddcd 5ef6bcafb0494763b560f8e99b5b79bc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0d995f5f-c1d3-4760-b7cd-8c2e94803df1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0d995f5f-c1d3-4760-b7cd-8c2e94803df1.
2026-07-16 01:36:24.792 12 WARNING nova.scheduler.utils [None req-a37921f6-be7e-480c-b19f-322636b2cc18 c61ae0af00fb453aad4807f273e2ddcd 5ef6bcafb0494763b560f8e99b5b79bc - - default default] [instance: 0d995f5f-c1d3-4760-b7cd-8c2e94803df1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0d995f5f-c1d3-4760-b7cd-8c2e94803df1.
2026-07-16 01:36:24.851 12 WARNING neutronclient.v2_0.client [None req-a37921f6-be7e-480c-b19f-322636b2cc18 c61ae0af00fb453aad4807f273e2ddcd 5ef6bcafb0494763b560f8e99b5b79bc - - 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 0d995f5f-c1d3-4760-b7cd-8c2e94803df1.
2026-07-16 01:36:24.920 12 WARNING neutronclient.v2_0.client [None req-a37921f6-be7e-480c-b19f-322636b2cc18 c61ae0af00fb453aad4807f273e2ddcd 5ef6bcafb0494763b560f8e99b5b79bc - - 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 0d995f5f-c1d3-4760-b7cd-8c2e94803df1.
2026-07-16 01:36:43.797 10 ERROR nova.scheduler.utils [None req-ac93e93a-9f7e-4dee-8b2c-34de05ca4845 9ea751f1031d4a69bb366d6891e40513 daa2a01db1e14da4a72526d7c87b0443 - - default default] [instance: 978f97e0-dc3c-4034-a379-a50ade89bbd7] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 978f97e0-dc3c-4034-a379-a50ade89bbd7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:36:43.798 10 WARNING nova.scheduler.utils [None req-ac93e93a-9f7e-4dee-8b2c-34de05ca4845 9ea751f1031d4a69bb366d6891e40513 daa2a01db1e14da4a72526d7c87b0443 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 978f97e0-dc3c-4034-a379-a50ade89bbd7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 978f97e0-dc3c-4034-a379-a50ade89bbd7.
2026-07-16 01:36:43.798 10 WARNING nova.scheduler.utils [None req-ac93e93a-9f7e-4dee-8b2c-34de05ca4845 9ea751f1031d4a69bb366d6891e40513 daa2a01db1e14da4a72526d7c87b0443 - - default default] [instance: 978f97e0-dc3c-4034-a379-a50ade89bbd7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 978f97e0-dc3c-4034-a379-a50ade89bbd7.
2026-07-16 01:36:43.838 10 WARNING neutronclient.v2_0.client [None req-ac93e93a-9f7e-4dee-8b2c-34de05ca4845 9ea751f1031d4a69bb366d6891e40513 daa2a01db1e14da4a72526d7c87b0443 - - 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 978f97e0-dc3c-4034-a379-a50ade89bbd7.
2026-07-16 01:36:43.867 10 WARNING neutronclient.v2_0.client [None req-ac93e93a-9f7e-4dee-8b2c-34de05ca4845 9ea751f1031d4a69bb366d6891e40513 daa2a01db1e14da4a72526d7c87b0443 - - 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 978f97e0-dc3c-4034-a379-a50ade89bbd7.
2026-07-16 01:38:16.100 10 ERROR nova.scheduler.utils [None req-e40c61d6-9e37-45b4-a03c-c8376204db0c 8a20cffbd215497da54d769fab213012 72744c5b82be4c5c86b0029c9d6199a8 - - default default] [instance: b2d792e2-b0b0-4b3f-9e7c-6aca47a21485] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 b2d792e2-b0b0-4b3f-9e7c-6aca47a21485 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:38:16.100 10 WARNING nova.scheduler.utils [None req-e40c61d6-9e37-45b4-a03c-c8376204db0c 8a20cffbd215497da54d769fab213012 72744c5b82be4c5c86b0029c9d6199a8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b2d792e2-b0b0-4b3f-9e7c-6aca47a21485.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b2d792e2-b0b0-4b3f-9e7c-6aca47a21485.
2026-07-16 01:38:16.101 10 WARNING nova.scheduler.utils [None req-e40c61d6-9e37-45b4-a03c-c8376204db0c 8a20cffbd215497da54d769fab213012 72744c5b82be4c5c86b0029c9d6199a8 - - default default] [instance: b2d792e2-b0b0-4b3f-9e7c-6aca47a21485] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b2d792e2-b0b0-4b3f-9e7c-6aca47a21485.
2026-07-16 01:38:16.139 10 WARNING neutronclient.v2_0.client [None req-e40c61d6-9e37-45b4-a03c-c8376204db0c 8a20cffbd215497da54d769fab213012 72744c5b82be4c5c86b0029c9d6199a8 - - 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 b2d792e2-b0b0-4b3f-9e7c-6aca47a21485.
2026-07-16 01:38:16.169 10 WARNING neutronclient.v2_0.client [None req-e40c61d6-9e37-45b4-a03c-c8376204db0c 8a20cffbd215497da54d769fab213012 72744c5b82be4c5c86b0029c9d6199a8 - - 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 b2d792e2-b0b0-4b3f-9e7c-6aca47a21485.