+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-09-11 18:05:15.512 1 INFO nova.utils [None req-9a1beb9f-2099-4634-9ce5-a3cae62a6ac0 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-11 18:05:15.736 1 INFO nova.utils [None req-9a1beb9f-2099-4634-9ce5-a3cae62a6ac0 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-09-11 18:05:16.736 1 INFO nova.utils [None req-9a1beb9f-2099-4634-9ce5-a3cae62a6ac0 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-09-11 18:05:16.740 1 WARNING oslo_service.backend._threading.service [None req-9a1beb9f-2099-4634-9ce5-a3cae62a6ac0 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-09-11 18:05:16.753 1 WARNING oslo_config.cfg [None req-9a1beb9f-2099-4634-9ce5-a3cae62a6ac0 - - - - - -] 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.
2026-09-11 18:05:16.821 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-11 18:05:16.823 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-11 18:49:11.368 10 INFO nova.utils [None req-ec324e64-3cab-471e-a852-eaa1695d8669 795a15b717874f9eb4f1a1d674cc8045 96a2eb8a1d234f6ba9f02bef205d0a8f - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-09-11 18:49:11.605 10 INFO nova.compute.rpcapi [None req-d75d6e90-9990-4e7d-b635-188fc3e34d10 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-11 18:49:28.513 10 ERROR nova.scheduler.utils [None req-ec324e64-3cab-471e-a852-eaa1695d8669 795a15b717874f9eb4f1a1d674cc8045 96a2eb8a1d234f6ba9f02bef205d0a8f - - default default] [instance: 45364583-9c49-4e98-be5c-bba46ecaa1e3] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 45364583-9c49-4e98-be5c-bba46ecaa1e3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:49:28.516 10 WARNING nova.scheduler.utils [None req-ec324e64-3cab-471e-a852-eaa1695d8669 795a15b717874f9eb4f1a1d674cc8045 96a2eb8a1d234f6ba9f02bef205d0a8f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45364583-9c49-4e98-be5c-bba46ecaa1e3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45364583-9c49-4e98-be5c-bba46ecaa1e3.
2026-09-11 18:49:28.516 10 WARNING nova.scheduler.utils [None req-ec324e64-3cab-471e-a852-eaa1695d8669 795a15b717874f9eb4f1a1d674cc8045 96a2eb8a1d234f6ba9f02bef205d0a8f - - default default] [instance: 45364583-9c49-4e98-be5c-bba46ecaa1e3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45364583-9c49-4e98-be5c-bba46ecaa1e3.
2026-09-11 18:49:28.651 10 WARNING neutronclient.v2_0.client [None req-ec324e64-3cab-471e-a852-eaa1695d8669 795a15b717874f9eb4f1a1d674cc8045 96a2eb8a1d234f6ba9f02bef205d0a8f - - 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 45364583-9c49-4e98-be5c-bba46ecaa1e3.
2026-09-11 18:49:29.263 10 WARNING neutronclient.v2_0.client [None req-ec324e64-3cab-471e-a852-eaa1695d8669 795a15b717874f9eb4f1a1d674cc8045 96a2eb8a1d234f6ba9f02bef205d0a8f - - 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 45364583-9c49-4e98-be5c-bba46ecaa1e3.
2026-09-11 18:49:29.828 10 ERROR nova.scheduler.utils [None req-0a112c22-9efb-49dd-8da4-04cea0ed3f54 12a78f75b9d3482eadf8ebe5c6ebc813 5239fb8fa9b34c41bd01da1e11a99808 - - default default] [instance: b3d4850a-98d4-46ff-beec-53477ead97bc] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance b3d4850a-98d4-46ff-beec-53477ead97bc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:49:29.829 10 WARNING nova.scheduler.utils [None req-0a112c22-9efb-49dd-8da4-04cea0ed3f54 12a78f75b9d3482eadf8ebe5c6ebc813 5239fb8fa9b34c41bd01da1e11a99808 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b3d4850a-98d4-46ff-beec-53477ead97bc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b3d4850a-98d4-46ff-beec-53477ead97bc.
2026-09-11 18:49:29.830 10 WARNING nova.scheduler.utils [None req-0a112c22-9efb-49dd-8da4-04cea0ed3f54 12a78f75b9d3482eadf8ebe5c6ebc813 5239fb8fa9b34c41bd01da1e11a99808 - - default default] [instance: b3d4850a-98d4-46ff-beec-53477ead97bc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b3d4850a-98d4-46ff-beec-53477ead97bc.
2026-09-11 18:49:29.903 10 WARNING neutronclient.v2_0.client [None req-0a112c22-9efb-49dd-8da4-04cea0ed3f54 12a78f75b9d3482eadf8ebe5c6ebc813 5239fb8fa9b34c41bd01da1e11a99808 - - 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 b3d4850a-98d4-46ff-beec-53477ead97bc.
2026-09-11 18:49:29.953 10 WARNING neutronclient.v2_0.client [None req-0a112c22-9efb-49dd-8da4-04cea0ed3f54 12a78f75b9d3482eadf8ebe5c6ebc813 5239fb8fa9b34c41bd01da1e11a99808 - - 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 b3d4850a-98d4-46ff-beec-53477ead97bc.
2026-09-11 18:49:44.883 12 INFO nova.utils [None req-f517d687-c2c1-4e9c-bb8d-d00481f5418a c5b58b90307c4ab094cfff4e0ed035e5 bbf4ea90cca84faf9f2d71156595658a - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-09-11 18:49:45.063 12 INFO nova.compute.rpcapi [None req-c48a9361-e4eb-4df8-956e-5103c8627b8e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-11 18:50:01.540 12 ERROR nova.scheduler.utils [None req-86aa5099-22f2-463f-99d4-0586d479a62b 7ae9a06948354722945115df4c0cf519 97a07fa9f4de4ba48b58075b55cd7ed5 - - default default] [instance: e914a890-0aa1-43ca-9d9e-7c422be52c75] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance e914a890-0aa1-43ca-9d9e-7c422be52c75 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:50:01.542 12 WARNING nova.scheduler.utils [None req-86aa5099-22f2-463f-99d4-0586d479a62b 7ae9a06948354722945115df4c0cf519 97a07fa9f4de4ba48b58075b55cd7ed5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e914a890-0aa1-43ca-9d9e-7c422be52c75.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e914a890-0aa1-43ca-9d9e-7c422be52c75.
2026-09-11 18:50:01.542 12 WARNING nova.scheduler.utils [None req-86aa5099-22f2-463f-99d4-0586d479a62b 7ae9a06948354722945115df4c0cf519 97a07fa9f4de4ba48b58075b55cd7ed5 - - default default] [instance: e914a890-0aa1-43ca-9d9e-7c422be52c75] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e914a890-0aa1-43ca-9d9e-7c422be52c75.
2026-09-11 18:50:01.704 12 WARNING neutronclient.v2_0.client [None req-86aa5099-22f2-463f-99d4-0586d479a62b 7ae9a06948354722945115df4c0cf519 97a07fa9f4de4ba48b58075b55cd7ed5 - - 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 e914a890-0aa1-43ca-9d9e-7c422be52c75.
2026-09-11 18:50:03.169 10 ERROR nova.scheduler.utils [None req-f517d687-c2c1-4e9c-bb8d-d00481f5418a c5b58b90307c4ab094cfff4e0ed035e5 bbf4ea90cca84faf9f2d71156595658a - - default default] [instance: 51454880-eae8-4a27-b7d0-fe76f9800dd8] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 51454880-eae8-4a27-b7d0-fe76f9800dd8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:50:03.170 10 WARNING nova.scheduler.utils [None req-f517d687-c2c1-4e9c-bb8d-d00481f5418a c5b58b90307c4ab094cfff4e0ed035e5 bbf4ea90cca84faf9f2d71156595658a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 51454880-eae8-4a27-b7d0-fe76f9800dd8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 51454880-eae8-4a27-b7d0-fe76f9800dd8.
2026-09-11 18:50:03.170 10 WARNING nova.scheduler.utils [None req-f517d687-c2c1-4e9c-bb8d-d00481f5418a c5b58b90307c4ab094cfff4e0ed035e5 bbf4ea90cca84faf9f2d71156595658a - - default default] [instance: 51454880-eae8-4a27-b7d0-fe76f9800dd8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 51454880-eae8-4a27-b7d0-fe76f9800dd8.
2026-09-11 18:50:03.243 10 WARNING neutronclient.v2_0.client [None req-f517d687-c2c1-4e9c-bb8d-d00481f5418a c5b58b90307c4ab094cfff4e0ed035e5 bbf4ea90cca84faf9f2d71156595658a - - 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 51454880-eae8-4a27-b7d0-fe76f9800dd8.
2026-09-11 18:50:03.433 12 WARNING neutronclient.v2_0.client [None req-86aa5099-22f2-463f-99d4-0586d479a62b 7ae9a06948354722945115df4c0cf519 97a07fa9f4de4ba48b58075b55cd7ed5 - - 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 e914a890-0aa1-43ca-9d9e-7c422be52c75.
2026-09-11 18:50:04.327 10 WARNING neutronclient.v2_0.client [None req-f517d687-c2c1-4e9c-bb8d-d00481f5418a c5b58b90307c4ab094cfff4e0ed035e5 bbf4ea90cca84faf9f2d71156595658a - - 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 51454880-eae8-4a27-b7d0-fe76f9800dd8.
2026-09-11 18:50:36.469 10 ERROR nova.scheduler.utils [None req-5a6c2cc1-ea42-4623-aeae-c8644a8213a5 f88ce9db4c554f91a7be5151ece23315 f58f980eea814b2593a7e01a3e867ac8 - - default default] [instance: 5103687d-10d1-49f9-bf57-89b920d1102c] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 5103687d-10d1-49f9-bf57-89b920d1102c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:50:36.470 10 WARNING nova.scheduler.utils [None req-5a6c2cc1-ea42-4623-aeae-c8644a8213a5 f88ce9db4c554f91a7be5151ece23315 f58f980eea814b2593a7e01a3e867ac8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5103687d-10d1-49f9-bf57-89b920d1102c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5103687d-10d1-49f9-bf57-89b920d1102c.
2026-09-11 18:50:36.470 10 WARNING nova.scheduler.utils [None req-5a6c2cc1-ea42-4623-aeae-c8644a8213a5 f88ce9db4c554f91a7be5151ece23315 f58f980eea814b2593a7e01a3e867ac8 - - default default] [instance: 5103687d-10d1-49f9-bf57-89b920d1102c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5103687d-10d1-49f9-bf57-89b920d1102c.
2026-09-11 18:50:36.517 10 WARNING neutronclient.v2_0.client [None req-5a6c2cc1-ea42-4623-aeae-c8644a8213a5 f88ce9db4c554f91a7be5151ece23315 f58f980eea814b2593a7e01a3e867ac8 - - 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 5103687d-10d1-49f9-bf57-89b920d1102c.
2026-09-11 18:50:36.540 10 WARNING neutronclient.v2_0.client [None req-5a6c2cc1-ea42-4623-aeae-c8644a8213a5 f88ce9db4c554f91a7be5151ece23315 f58f980eea814b2593a7e01a3e867ac8 - - 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 5103687d-10d1-49f9-bf57-89b920d1102c.
2026-09-11 18:50:42.004 12 ERROR nova.scheduler.utils [None req-84ca878a-6505-4e20-bad9-2c0ca0c67278 5b1b989db6a242c4a76db6f9f90aeeb0 617ce256042c4aefa0932f97ba99b4ba - - default default] [instance: 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:50:42.005 12 WARNING nova.scheduler.utils [None req-84ca878a-6505-4e20-bad9-2c0ca0c67278 5b1b989db6a242c4a76db6f9f90aeeb0 617ce256042c4aefa0932f97ba99b4ba - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2.
2026-09-11 18:50:42.006 12 WARNING nova.scheduler.utils [None req-84ca878a-6505-4e20-bad9-2c0ca0c67278 5b1b989db6a242c4a76db6f9f90aeeb0 617ce256042c4aefa0932f97ba99b4ba - - default default] [instance: 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2.
2026-09-11 18:50:42.076 12 WARNING neutronclient.v2_0.client [None req-84ca878a-6505-4e20-bad9-2c0ca0c67278 5b1b989db6a242c4a76db6f9f90aeeb0 617ce256042c4aefa0932f97ba99b4ba - - 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 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2.
2026-09-11 18:50:42.114 12 WARNING neutronclient.v2_0.client [None req-84ca878a-6505-4e20-bad9-2c0ca0c67278 5b1b989db6a242c4a76db6f9f90aeeb0 617ce256042c4aefa0932f97ba99b4ba - - 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 81fa99fd-a8cb-4e9e-aef3-0fc5817b21f2.
2026-09-11 18:51:09.805 10 ERROR nova.scheduler.utils [None req-b94566e2-7426-4067-9cb7-5b1ded5e5ec9 abb86ebc33b94af2a4817dcd784c373a fd8aadfaefb84806b1dd366ecca935aa - - default default] [instance: 11ef51fe-d118-4a18-b09f-fd6632fde515] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 11ef51fe-d118-4a18-b09f-fd6632fde515 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:51:09.806 10 WARNING nova.scheduler.utils [None req-b94566e2-7426-4067-9cb7-5b1ded5e5ec9 abb86ebc33b94af2a4817dcd784c373a fd8aadfaefb84806b1dd366ecca935aa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11ef51fe-d118-4a18-b09f-fd6632fde515.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11ef51fe-d118-4a18-b09f-fd6632fde515.
2026-09-11 18:51:09.806 10 WARNING nova.scheduler.utils [None req-b94566e2-7426-4067-9cb7-5b1ded5e5ec9 abb86ebc33b94af2a4817dcd784c373a fd8aadfaefb84806b1dd366ecca935aa - - default default] [instance: 11ef51fe-d118-4a18-b09f-fd6632fde515] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11ef51fe-d118-4a18-b09f-fd6632fde515.
2026-09-11 18:51:09.895 10 WARNING neutronclient.v2_0.client [None req-b94566e2-7426-4067-9cb7-5b1ded5e5ec9 abb86ebc33b94af2a4817dcd784c373a fd8aadfaefb84806b1dd366ecca935aa - - 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 11ef51fe-d118-4a18-b09f-fd6632fde515.
2026-09-11 18:51:09.972 10 WARNING neutronclient.v2_0.client [None req-b94566e2-7426-4067-9cb7-5b1ded5e5ec9 abb86ebc33b94af2a4817dcd784c373a fd8aadfaefb84806b1dd366ecca935aa - - 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 11ef51fe-d118-4a18-b09f-fd6632fde515.
2026-09-11 18:51:25.061 12 ERROR nova.scheduler.utils [None req-0513be42-ba62-47dc-af7f-1b3f099c89e9 8c7ac7b4d08a4179a6c43b1b8d454b0b 6a6d49273136409c8e3d963ecb6132d1 - - default default] [instance: a9fb1f60-cb85-4420-a7a9-55fe88cec733] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a9fb1f60-cb85-4420-a7a9-55fe88cec733 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:51:25.062 12 WARNING nova.scheduler.utils [None req-0513be42-ba62-47dc-af7f-1b3f099c89e9 8c7ac7b4d08a4179a6c43b1b8d454b0b 6a6d49273136409c8e3d963ecb6132d1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a9fb1f60-cb85-4420-a7a9-55fe88cec733.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a9fb1f60-cb85-4420-a7a9-55fe88cec733.
2026-09-11 18:51:25.063 12 WARNING nova.scheduler.utils [None req-0513be42-ba62-47dc-af7f-1b3f099c89e9 8c7ac7b4d08a4179a6c43b1b8d454b0b 6a6d49273136409c8e3d963ecb6132d1 - - default default] [instance: a9fb1f60-cb85-4420-a7a9-55fe88cec733] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a9fb1f60-cb85-4420-a7a9-55fe88cec733.
2026-09-11 18:51:25.171 12 WARNING neutronclient.v2_0.client [None req-0513be42-ba62-47dc-af7f-1b3f099c89e9 8c7ac7b4d08a4179a6c43b1b8d454b0b 6a6d49273136409c8e3d963ecb6132d1 - - 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 a9fb1f60-cb85-4420-a7a9-55fe88cec733.
2026-09-11 18:51:25.222 12 WARNING neutronclient.v2_0.client [None req-0513be42-ba62-47dc-af7f-1b3f099c89e9 8c7ac7b4d08a4179a6c43b1b8d454b0b 6a6d49273136409c8e3d963ecb6132d1 - - 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 a9fb1f60-cb85-4420-a7a9-55fe88cec733.
2026-09-11 18:52:09.174 12 ERROR nova.scheduler.utils [None req-6a9e4e7d-7bcc-4bd5-ab67-6f5f77726b3d 201862f163804dc3b3cd53b52510582e 9d91d29d781e424f8e01989c1177148e - - default default] [instance: 766a4ee9-694d-4890-b95a-09f32cdd1c04] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 766a4ee9-694d-4890-b95a-09f32cdd1c04 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:52:09.175 12 WARNING nova.scheduler.utils [None req-6a9e4e7d-7bcc-4bd5-ab67-6f5f77726b3d 201862f163804dc3b3cd53b52510582e 9d91d29d781e424f8e01989c1177148e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 766a4ee9-694d-4890-b95a-09f32cdd1c04.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 766a4ee9-694d-4890-b95a-09f32cdd1c04.
2026-09-11 18:52:09.175 12 WARNING nova.scheduler.utils [None req-6a9e4e7d-7bcc-4bd5-ab67-6f5f77726b3d 201862f163804dc3b3cd53b52510582e 9d91d29d781e424f8e01989c1177148e - - default default] [instance: 766a4ee9-694d-4890-b95a-09f32cdd1c04] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 766a4ee9-694d-4890-b95a-09f32cdd1c04.
2026-09-11 18:52:09.228 12 WARNING neutronclient.v2_0.client [None req-6a9e4e7d-7bcc-4bd5-ab67-6f5f77726b3d 201862f163804dc3b3cd53b52510582e 9d91d29d781e424f8e01989c1177148e - - 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 766a4ee9-694d-4890-b95a-09f32cdd1c04.
2026-09-11 18:52:09.273 12 WARNING neutronclient.v2_0.client [None req-6a9e4e7d-7bcc-4bd5-ab67-6f5f77726b3d 201862f163804dc3b3cd53b52510582e 9d91d29d781e424f8e01989c1177148e - - 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 766a4ee9-694d-4890-b95a-09f32cdd1c04.
2026-09-11 18:53:08.795 12 ERROR nova.scheduler.utils [None req-45e0b8de-504b-4883-aabe-af1dc85841d7 2dcc9bea35b244dabedccb347ee41475 afde5860614949c4a56143847c393e47 - - default default] [instance: 3eda5810-5479-441c-9ee6-75c36d4de753] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 3eda5810-5479-441c-9ee6-75c36d4de753 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:53:08.798 12 WARNING nova.scheduler.utils [None req-45e0b8de-504b-4883-aabe-af1dc85841d7 2dcc9bea35b244dabedccb347ee41475 afde5860614949c4a56143847c393e47 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3eda5810-5479-441c-9ee6-75c36d4de753.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3eda5810-5479-441c-9ee6-75c36d4de753.
2026-09-11 18:53:08.798 12 WARNING nova.scheduler.utils [None req-45e0b8de-504b-4883-aabe-af1dc85841d7 2dcc9bea35b244dabedccb347ee41475 afde5860614949c4a56143847c393e47 - - default default] [instance: 3eda5810-5479-441c-9ee6-75c36d4de753] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3eda5810-5479-441c-9ee6-75c36d4de753.
2026-09-11 18:53:08.871 12 WARNING neutronclient.v2_0.client [None req-45e0b8de-504b-4883-aabe-af1dc85841d7 2dcc9bea35b244dabedccb347ee41475 afde5860614949c4a56143847c393e47 - - 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 3eda5810-5479-441c-9ee6-75c36d4de753.
2026-09-11 18:53:08.903 12 WARNING neutronclient.v2_0.client [None req-45e0b8de-504b-4883-aabe-af1dc85841d7 2dcc9bea35b244dabedccb347ee41475 afde5860614949c4a56143847c393e47 - - 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 3eda5810-5479-441c-9ee6-75c36d4de753.