+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-17 22:22:46.628 1 INFO nova.utils [None req-0f11040e-3f63-440b-9504-ac11a69180c2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-17 22:22:46.851 1 INFO nova.utils [None req-0f11040e-3f63-440b-9504-ac11a69180c2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-17 22:22:47.851 1 INFO nova.utils [None req-0f11040e-3f63-440b-9504-ac11a69180c2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-17 22:22:47.855 1 WARNING oslo_service.backend._threading.service [None req-0f11040e-3f63-440b-9504-ac11a69180c2 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-17 22:22:47.865 1 WARNING oslo_config.cfg [None req-0f11040e-3f63-440b-9504-ac11a69180c2 - - - - - -] 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.
2026-07-17 22:22:47.914 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 22:22:47.929 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 23:04:36.490 12 INFO nova.utils [None req-19450e30-f32a-4ab5-beef-6a2c81db70a6 4080d217ade3410eb874242fb079b9e3 9ff855c029094657b1e547d24aef0dff - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-17 23:04:36.641 12 INFO nova.compute.rpcapi [None req-fdf6b33f-b46c-48e1-9756-0a2fd2980c0f - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 23:04:38.820 10 INFO nova.utils [None req-9891c85b-5296-422f-86e0-ca373db409e4 55a8084e1c2043249f086a2e667df356 fac058c9a375434d922e01bf8f4458a1 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-17 23:04:39.023 10 INFO nova.compute.rpcapi [None req-2b008f76-1103-4178-a8f3-79cb846bd752 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 23:04:52.268 12 ERROR nova.scheduler.utils [None req-19450e30-f32a-4ab5-beef-6a2c81db70a6 4080d217ade3410eb874242fb079b9e3 9ff855c029094657b1e547d24aef0dff - - default default] [instance: 7fc18888-c6e2-4e18-a031-ca020e98f0e0] 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 7fc18888-c6e2-4e18-a031-ca020e98f0e0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:04:52.269 12 WARNING nova.scheduler.utils [None req-19450e30-f32a-4ab5-beef-6a2c81db70a6 4080d217ade3410eb874242fb079b9e3 9ff855c029094657b1e547d24aef0dff - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fc18888-c6e2-4e18-a031-ca020e98f0e0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fc18888-c6e2-4e18-a031-ca020e98f0e0.
2026-07-17 23:04:52.269 12 WARNING nova.scheduler.utils [None req-19450e30-f32a-4ab5-beef-6a2c81db70a6 4080d217ade3410eb874242fb079b9e3 9ff855c029094657b1e547d24aef0dff - - default default] [instance: 7fc18888-c6e2-4e18-a031-ca020e98f0e0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7fc18888-c6e2-4e18-a031-ca020e98f0e0.
2026-07-17 23:04:52.411 12 WARNING neutronclient.v2_0.client [None req-19450e30-f32a-4ab5-beef-6a2c81db70a6 4080d217ade3410eb874242fb079b9e3 9ff855c029094657b1e547d24aef0dff - - 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 7fc18888-c6e2-4e18-a031-ca020e98f0e0.
2026-07-17 23:04:52.998 12 WARNING neutronclient.v2_0.client [None req-19450e30-f32a-4ab5-beef-6a2c81db70a6 4080d217ade3410eb874242fb079b9e3 9ff855c029094657b1e547d24aef0dff - - 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 7fc18888-c6e2-4e18-a031-ca020e98f0e0.
2026-07-17 23:04:53.850 12 ERROR nova.scheduler.utils [None req-9891c85b-5296-422f-86e0-ca373db409e4 55a8084e1c2043249f086a2e667df356 fac058c9a375434d922e01bf8f4458a1 - - default default] [instance: 7856fa48-bb61-4307-b85a-39f0c04e64a1] 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 7856fa48-bb61-4307-b85a-39f0c04e64a1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:04:53.850 12 WARNING nova.scheduler.utils [None req-9891c85b-5296-422f-86e0-ca373db409e4 55a8084e1c2043249f086a2e667df356 fac058c9a375434d922e01bf8f4458a1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7856fa48-bb61-4307-b85a-39f0c04e64a1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7856fa48-bb61-4307-b85a-39f0c04e64a1.
2026-07-17 23:04:53.851 12 WARNING nova.scheduler.utils [None req-9891c85b-5296-422f-86e0-ca373db409e4 55a8084e1c2043249f086a2e667df356 fac058c9a375434d922e01bf8f4458a1 - - default default] [instance: 7856fa48-bb61-4307-b85a-39f0c04e64a1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7856fa48-bb61-4307-b85a-39f0c04e64a1.
2026-07-17 23:04:53.897 12 WARNING neutronclient.v2_0.client [None req-9891c85b-5296-422f-86e0-ca373db409e4 55a8084e1c2043249f086a2e667df356 fac058c9a375434d922e01bf8f4458a1 - - 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 7856fa48-bb61-4307-b85a-39f0c04e64a1.
2026-07-17 23:04:53.927 12 WARNING neutronclient.v2_0.client [None req-9891c85b-5296-422f-86e0-ca373db409e4 55a8084e1c2043249f086a2e667df356 fac058c9a375434d922e01bf8f4458a1 - - 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 7856fa48-bb61-4307-b85a-39f0c04e64a1.
2026-07-17 23:05:07.489 10 ERROR nova.scheduler.utils [None req-701f1e8f-7118-411f-818a-c09f029cb11f cf1cb811e8a544919eb6e6e283f2d043 e9c2bf6bd5764a75bb1f59e8b23b3bf5 - - default default] [instance: 45c2870f-c347-4b3a-bbae-e7b8cf84542d] 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 45c2870f-c347-4b3a-bbae-e7b8cf84542d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:05:07.490 10 WARNING nova.scheduler.utils [None req-701f1e8f-7118-411f-818a-c09f029cb11f cf1cb811e8a544919eb6e6e283f2d043 e9c2bf6bd5764a75bb1f59e8b23b3bf5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45c2870f-c347-4b3a-bbae-e7b8cf84542d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45c2870f-c347-4b3a-bbae-e7b8cf84542d.
2026-07-17 23:05:07.490 10 WARNING nova.scheduler.utils [None req-701f1e8f-7118-411f-818a-c09f029cb11f cf1cb811e8a544919eb6e6e283f2d043 e9c2bf6bd5764a75bb1f59e8b23b3bf5 - - default default] [instance: 45c2870f-c347-4b3a-bbae-e7b8cf84542d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45c2870f-c347-4b3a-bbae-e7b8cf84542d.
2026-07-17 23:05:07.608 10 WARNING neutronclient.v2_0.client [None req-701f1e8f-7118-411f-818a-c09f029cb11f cf1cb811e8a544919eb6e6e283f2d043 e9c2bf6bd5764a75bb1f59e8b23b3bf5 - - 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 45c2870f-c347-4b3a-bbae-e7b8cf84542d.
2026-07-17 23:05:08.170 10 WARNING neutronclient.v2_0.client [None req-701f1e8f-7118-411f-818a-c09f029cb11f cf1cb811e8a544919eb6e6e283f2d043 e9c2bf6bd5764a75bb1f59e8b23b3bf5 - - 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 45c2870f-c347-4b3a-bbae-e7b8cf84542d.
2026-07-17 23:05:25.569 10 ERROR nova.scheduler.utils [None req-9d6ac6fc-6787-4d12-af6e-c707d9eab59c e59698d363f64cd8998e1b5d2a561720 be067432c41e41489a970a98b4b13b59 - - default default] [instance: 596f6448-3be2-4ea9-a697-82bb65f8998b] 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 596f6448-3be2-4ea9-a697-82bb65f8998b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:05:25.570 10 WARNING nova.scheduler.utils [None req-9d6ac6fc-6787-4d12-af6e-c707d9eab59c e59698d363f64cd8998e1b5d2a561720 be067432c41e41489a970a98b4b13b59 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 596f6448-3be2-4ea9-a697-82bb65f8998b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 596f6448-3be2-4ea9-a697-82bb65f8998b.
2026-07-17 23:05:25.570 10 WARNING nova.scheduler.utils [None req-9d6ac6fc-6787-4d12-af6e-c707d9eab59c e59698d363f64cd8998e1b5d2a561720 be067432c41e41489a970a98b4b13b59 - - default default] [instance: 596f6448-3be2-4ea9-a697-82bb65f8998b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 596f6448-3be2-4ea9-a697-82bb65f8998b.
2026-07-17 23:05:25.619 10 WARNING neutronclient.v2_0.client [None req-9d6ac6fc-6787-4d12-af6e-c707d9eab59c e59698d363f64cd8998e1b5d2a561720 be067432c41e41489a970a98b4b13b59 - - 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 596f6448-3be2-4ea9-a697-82bb65f8998b.
2026-07-17 23:05:25.646 10 WARNING neutronclient.v2_0.client [None req-9d6ac6fc-6787-4d12-af6e-c707d9eab59c e59698d363f64cd8998e1b5d2a561720 be067432c41e41489a970a98b4b13b59 - - 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 596f6448-3be2-4ea9-a697-82bb65f8998b.
2026-07-17 23:05:45.001 10 ERROR nova.scheduler.utils [None req-077efea4-3ff1-4aac-bae8-4dbc56184586 3dbc8bf0cc1a4921b04d8f3961c6c721 bbb055cb26464ed9b49399ea81999a83 - - default default] [instance: 29857365-7b2f-4faf-ad2c-f193d29eea2b] 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 29857365-7b2f-4faf-ad2c-f193d29eea2b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:05:45.001 10 WARNING nova.scheduler.utils [None req-077efea4-3ff1-4aac-bae8-4dbc56184586 3dbc8bf0cc1a4921b04d8f3961c6c721 bbb055cb26464ed9b49399ea81999a83 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29857365-7b2f-4faf-ad2c-f193d29eea2b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29857365-7b2f-4faf-ad2c-f193d29eea2b.
2026-07-17 23:05:45.002 10 WARNING nova.scheduler.utils [None req-077efea4-3ff1-4aac-bae8-4dbc56184586 3dbc8bf0cc1a4921b04d8f3961c6c721 bbb055cb26464ed9b49399ea81999a83 - - default default] [instance: 29857365-7b2f-4faf-ad2c-f193d29eea2b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29857365-7b2f-4faf-ad2c-f193d29eea2b.
2026-07-17 23:05:45.044 10 WARNING neutronclient.v2_0.client [None req-077efea4-3ff1-4aac-bae8-4dbc56184586 3dbc8bf0cc1a4921b04d8f3961c6c721 bbb055cb26464ed9b49399ea81999a83 - - 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 29857365-7b2f-4faf-ad2c-f193d29eea2b.
2026-07-17 23:05:45.072 10 WARNING neutronclient.v2_0.client [None req-077efea4-3ff1-4aac-bae8-4dbc56184586 3dbc8bf0cc1a4921b04d8f3961c6c721 bbb055cb26464ed9b49399ea81999a83 - - 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 29857365-7b2f-4faf-ad2c-f193d29eea2b.
2026-07-17 23:06:10.354 12 ERROR nova.scheduler.utils [None req-5c711f48-4490-48b7-bb13-57be11643234 f95966f5a09a4336964c30da4e4a3e7b ef5efadc184449d19e014eb8d4693618 - - default default] [instance: 9728dbf0-43c2-439a-9b68-ead6d2a9505b] 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 9728dbf0-43c2-439a-9b68-ead6d2a9505b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:06:10.355 12 WARNING nova.scheduler.utils [None req-5c711f48-4490-48b7-bb13-57be11643234 f95966f5a09a4336964c30da4e4a3e7b ef5efadc184449d19e014eb8d4693618 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9728dbf0-43c2-439a-9b68-ead6d2a9505b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9728dbf0-43c2-439a-9b68-ead6d2a9505b.
2026-07-17 23:06:10.355 12 WARNING nova.scheduler.utils [None req-5c711f48-4490-48b7-bb13-57be11643234 f95966f5a09a4336964c30da4e4a3e7b ef5efadc184449d19e014eb8d4693618 - - default default] [instance: 9728dbf0-43c2-439a-9b68-ead6d2a9505b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9728dbf0-43c2-439a-9b68-ead6d2a9505b.
2026-07-17 23:06:10.411 12 WARNING neutronclient.v2_0.client [None req-5c711f48-4490-48b7-bb13-57be11643234 f95966f5a09a4336964c30da4e4a3e7b ef5efadc184449d19e014eb8d4693618 - - 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 9728dbf0-43c2-439a-9b68-ead6d2a9505b.
2026-07-17 23:06:10.587 12 WARNING neutronclient.v2_0.client [None req-5c711f48-4490-48b7-bb13-57be11643234 f95966f5a09a4336964c30da4e4a3e7b ef5efadc184449d19e014eb8d4693618 - - 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 9728dbf0-43c2-439a-9b68-ead6d2a9505b.
2026-07-17 23:06:12.580 12 ERROR nova.scheduler.utils [None req-ee2e7fe1-a6a3-4557-8d48-863b3c03ec82 0f17c638702d4f2e9f059e02a07a65d2 e169c8350ee04a1eb3984df9101f7917 - - default default] [instance: 0a43f501-1f59-44f1-880e-bbde899bf722] 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 0a43f501-1f59-44f1-880e-bbde899bf722 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:06:12.581 12 WARNING nova.scheduler.utils [None req-ee2e7fe1-a6a3-4557-8d48-863b3c03ec82 0f17c638702d4f2e9f059e02a07a65d2 e169c8350ee04a1eb3984df9101f7917 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0a43f501-1f59-44f1-880e-bbde899bf722.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0a43f501-1f59-44f1-880e-bbde899bf722.
2026-07-17 23:06:12.581 12 WARNING nova.scheduler.utils [None req-ee2e7fe1-a6a3-4557-8d48-863b3c03ec82 0f17c638702d4f2e9f059e02a07a65d2 e169c8350ee04a1eb3984df9101f7917 - - default default] [instance: 0a43f501-1f59-44f1-880e-bbde899bf722] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0a43f501-1f59-44f1-880e-bbde899bf722.
2026-07-17 23:06:12.635 12 WARNING neutronclient.v2_0.client [None req-ee2e7fe1-a6a3-4557-8d48-863b3c03ec82 0f17c638702d4f2e9f059e02a07a65d2 e169c8350ee04a1eb3984df9101f7917 - - 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 0a43f501-1f59-44f1-880e-bbde899bf722.
2026-07-17 23:06:12.668 12 WARNING neutronclient.v2_0.client [None req-ee2e7fe1-a6a3-4557-8d48-863b3c03ec82 0f17c638702d4f2e9f059e02a07a65d2 e169c8350ee04a1eb3984df9101f7917 - - 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 0a43f501-1f59-44f1-880e-bbde899bf722.
2026-07-17 23:06:49.257 10 ERROR nova.scheduler.utils [None req-51ed3979-e5d2-4bb7-83ed-dbf209af380f df912779972543759d7df162b6e642d3 21f4a75bea3247f28b0060ab55eb7a18 - - default default] [instance: 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c] 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 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:06:49.259 10 WARNING nova.scheduler.utils [None req-51ed3979-e5d2-4bb7-83ed-dbf209af380f df912779972543759d7df162b6e642d3 21f4a75bea3247f28b0060ab55eb7a18 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c.
2026-07-17 23:06:49.260 10 WARNING nova.scheduler.utils [None req-51ed3979-e5d2-4bb7-83ed-dbf209af380f df912779972543759d7df162b6e642d3 21f4a75bea3247f28b0060ab55eb7a18 - - default default] [instance: 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c.
2026-07-17 23:06:49.328 10 WARNING neutronclient.v2_0.client [None req-51ed3979-e5d2-4bb7-83ed-dbf209af380f df912779972543759d7df162b6e642d3 21f4a75bea3247f28b0060ab55eb7a18 - - 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 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c.
2026-07-17 23:06:49.365 10 WARNING neutronclient.v2_0.client [None req-51ed3979-e5d2-4bb7-83ed-dbf209af380f df912779972543759d7df162b6e642d3 21f4a75bea3247f28b0060ab55eb7a18 - - 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 2bd25da9-1b16-4b5e-ad13-e40a20dfa47c.
2026-07-17 23:07:28.162 10 ERROR nova.scheduler.utils [None req-11ce7063-4f5b-4c36-8591-1d5b9395ccf0 6b68c2538bb2435593ee5985d824d40b c287d54d3ca54bff9aefe4d633aafa4e - - default default] [instance: 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd] 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 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:07:28.163 10 WARNING nova.scheduler.utils [None req-11ce7063-4f5b-4c36-8591-1d5b9395ccf0 6b68c2538bb2435593ee5985d824d40b c287d54d3ca54bff9aefe4d633aafa4e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd.
2026-07-17 23:07:28.163 10 WARNING nova.scheduler.utils [None req-11ce7063-4f5b-4c36-8591-1d5b9395ccf0 6b68c2538bb2435593ee5985d824d40b c287d54d3ca54bff9aefe4d633aafa4e - - default default] [instance: 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd.
2026-07-17 23:07:28.223 10 WARNING neutronclient.v2_0.client [None req-11ce7063-4f5b-4c36-8591-1d5b9395ccf0 6b68c2538bb2435593ee5985d824d40b c287d54d3ca54bff9aefe4d633aafa4e - - 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 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd.
2026-07-17 23:07:28.259 10 WARNING neutronclient.v2_0.client [None req-11ce7063-4f5b-4c36-8591-1d5b9395ccf0 6b68c2538bb2435593ee5985d824d40b c287d54d3ca54bff9aefe4d633aafa4e - - 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 4a51241f-9a2e-4b1f-9822-8ddf1d9086dd.
2026-07-17 23:08:58.422 10 ERROR nova.scheduler.utils [None req-4a58d771-1737-47dc-bec6-a02ff292d1a5 464e98698a71488583168323fc925ee3 4421752072ba412f908c836878dbfc9b - - default default] [instance: b0bf78ae-edc6-43e1-87b0-c941d178a533] 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 b0bf78ae-edc6-43e1-87b0-c941d178a533 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:08:58.423 10 WARNING nova.scheduler.utils [None req-4a58d771-1737-47dc-bec6-a02ff292d1a5 464e98698a71488583168323fc925ee3 4421752072ba412f908c836878dbfc9b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b0bf78ae-edc6-43e1-87b0-c941d178a533.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b0bf78ae-edc6-43e1-87b0-c941d178a533.
2026-07-17 23:08:58.423 10 WARNING nova.scheduler.utils [None req-4a58d771-1737-47dc-bec6-a02ff292d1a5 464e98698a71488583168323fc925ee3 4421752072ba412f908c836878dbfc9b - - default default] [instance: b0bf78ae-edc6-43e1-87b0-c941d178a533] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b0bf78ae-edc6-43e1-87b0-c941d178a533.
2026-07-17 23:08:58.470 10 WARNING neutronclient.v2_0.client [None req-4a58d771-1737-47dc-bec6-a02ff292d1a5 464e98698a71488583168323fc925ee3 4421752072ba412f908c836878dbfc9b - - 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 b0bf78ae-edc6-43e1-87b0-c941d178a533.
2026-07-17 23:08:58.498 10 WARNING neutronclient.v2_0.client [None req-4a58d771-1737-47dc-bec6-a02ff292d1a5 464e98698a71488583168323fc925ee3 4421752072ba412f908c836878dbfc9b - - 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 b0bf78ae-edc6-43e1-87b0-c941d178a533.