+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-16 10:26:59.602 1 INFO nova.utils [None req-9b89d907-ac89-472f-b0cd-443f3b8c16da - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-16 10:26:59.749 1 INFO nova.utils [None req-9b89d907-ac89-472f-b0cd-443f3b8c16da - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-16 10:27:00.749 1 INFO nova.utils [None req-9b89d907-ac89-472f-b0cd-443f3b8c16da - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-16 10:27:00.752 1 WARNING oslo_service.backend._threading.service [None req-9b89d907-ac89-472f-b0cd-443f3b8c16da - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-16 10:27:00.765 1 WARNING oslo_config.cfg [None req-9b89d907-ac89-472f-b0cd-443f3b8c16da - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-07-16 10:27:00.812 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 10:27:00.824 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 11:05:39.291 10 INFO nova.utils [None req-21451233-70dd-46ce-8698-bc303eb3a3a2 90c15c053e6e40d195129bef62afcb83 d4a1c1db1a7146bdb60af5a79f156b2d - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-16 11:05:39.443 10 INFO nova.compute.rpcapi [None req-73010ed5-d817-430e-a024-39b51a10feac - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 11:05:53.013 12 INFO nova.utils [None req-c06e45b3-e410-48e1-85c6-1e4d85a5a3b5 8cbec4bdd6d145f79e88219727f4ee8f f048c0e506a44887b3a25f65d8b56d81 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-16 11:05:53.152 12 INFO nova.compute.rpcapi [None req-b44bd67c-e0ac-4d18-a219-75d36ca4674a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 11:05:56.158 12 ERROR nova.scheduler.utils [None req-21451233-70dd-46ce-8698-bc303eb3a3a2 90c15c053e6e40d195129bef62afcb83 d4a1c1db1a7146bdb60af5a79f156b2d - - default default] [instance: 27abe8a7-009e-46f0-9d4c-0c70fb8a8070] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 27abe8a7-009e-46f0-9d4c-0c70fb8a8070 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:05:56.159 12 WARNING nova.scheduler.utils [None req-21451233-70dd-46ce-8698-bc303eb3a3a2 90c15c053e6e40d195129bef62afcb83 d4a1c1db1a7146bdb60af5a79f156b2d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27abe8a7-009e-46f0-9d4c-0c70fb8a8070.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27abe8a7-009e-46f0-9d4c-0c70fb8a8070.
2026-07-16 11:05:56.160 12 WARNING nova.scheduler.utils [None req-21451233-70dd-46ce-8698-bc303eb3a3a2 90c15c053e6e40d195129bef62afcb83 d4a1c1db1a7146bdb60af5a79f156b2d - - default default] [instance: 27abe8a7-009e-46f0-9d4c-0c70fb8a8070] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27abe8a7-009e-46f0-9d4c-0c70fb8a8070.
2026-07-16 11:05:56.257 12 WARNING neutronclient.v2_0.client [None req-21451233-70dd-46ce-8698-bc303eb3a3a2 90c15c053e6e40d195129bef62afcb83 d4a1c1db1a7146bdb60af5a79f156b2d - - 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 27abe8a7-009e-46f0-9d4c-0c70fb8a8070.
2026-07-16 11:05:56.780 12 WARNING neutronclient.v2_0.client [None req-21451233-70dd-46ce-8698-bc303eb3a3a2 90c15c053e6e40d195129bef62afcb83 d4a1c1db1a7146bdb60af5a79f156b2d - - 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 27abe8a7-009e-46f0-9d4c-0c70fb8a8070.
2026-07-16 11:06:07.612 10 ERROR nova.scheduler.utils [None req-c06e45b3-e410-48e1-85c6-1e4d85a5a3b5 8cbec4bdd6d145f79e88219727f4ee8f f048c0e506a44887b3a25f65d8b56d81 - - default default] [instance: 032bc839-7526-4588-ba39-67719e1d1b9b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 032bc839-7526-4588-ba39-67719e1d1b9b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:06:07.612 10 WARNING nova.scheduler.utils [None req-c06e45b3-e410-48e1-85c6-1e4d85a5a3b5 8cbec4bdd6d145f79e88219727f4ee8f f048c0e506a44887b3a25f65d8b56d81 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 032bc839-7526-4588-ba39-67719e1d1b9b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 032bc839-7526-4588-ba39-67719e1d1b9b.
2026-07-16 11:06:07.613 10 WARNING nova.scheduler.utils [None req-c06e45b3-e410-48e1-85c6-1e4d85a5a3b5 8cbec4bdd6d145f79e88219727f4ee8f f048c0e506a44887b3a25f65d8b56d81 - - default default] [instance: 032bc839-7526-4588-ba39-67719e1d1b9b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 032bc839-7526-4588-ba39-67719e1d1b9b.
2026-07-16 11:06:07.719 10 WARNING neutronclient.v2_0.client [None req-c06e45b3-e410-48e1-85c6-1e4d85a5a3b5 8cbec4bdd6d145f79e88219727f4ee8f f048c0e506a44887b3a25f65d8b56d81 - - 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 032bc839-7526-4588-ba39-67719e1d1b9b.
2026-07-16 11:06:08.124 10 WARNING neutronclient.v2_0.client [None req-c06e45b3-e410-48e1-85c6-1e4d85a5a3b5 8cbec4bdd6d145f79e88219727f4ee8f f048c0e506a44887b3a25f65d8b56d81 - - 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 032bc839-7526-4588-ba39-67719e1d1b9b.
2026-07-16 11:06:09.505 12 ERROR nova.scheduler.utils [None req-2ed695cc-4086-4d35-856b-7df80b3788fc 935e6f32b56641dbb047b78cb9e7a04d c5d8826b5e1c44e1a740b41203e286e9 - - default default] [instance: a844f20c-e3e0-4878-83d4-4896e14e37ac] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a844f20c-e3e0-4878-83d4-4896e14e37ac was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:06:09.506 12 WARNING nova.scheduler.utils [None req-2ed695cc-4086-4d35-856b-7df80b3788fc 935e6f32b56641dbb047b78cb9e7a04d c5d8826b5e1c44e1a740b41203e286e9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a844f20c-e3e0-4878-83d4-4896e14e37ac.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a844f20c-e3e0-4878-83d4-4896e14e37ac.
2026-07-16 11:06:09.506 12 WARNING nova.scheduler.utils [None req-2ed695cc-4086-4d35-856b-7df80b3788fc 935e6f32b56641dbb047b78cb9e7a04d c5d8826b5e1c44e1a740b41203e286e9 - - default default] [instance: a844f20c-e3e0-4878-83d4-4896e14e37ac] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a844f20c-e3e0-4878-83d4-4896e14e37ac.
2026-07-16 11:06:09.559 12 WARNING neutronclient.v2_0.client [None req-2ed695cc-4086-4d35-856b-7df80b3788fc 935e6f32b56641dbb047b78cb9e7a04d c5d8826b5e1c44e1a740b41203e286e9 - - 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 a844f20c-e3e0-4878-83d4-4896e14e37ac.
2026-07-16 11:06:09.825 12 WARNING neutronclient.v2_0.client [None req-2ed695cc-4086-4d35-856b-7df80b3788fc 935e6f32b56641dbb047b78cb9e7a04d c5d8826b5e1c44e1a740b41203e286e9 - - 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 a844f20c-e3e0-4878-83d4-4896e14e37ac.
2026-07-16 11:06:32.700 12 ERROR nova.scheduler.utils [None req-3b24c6de-f3bc-499f-8fb1-8d4fd20c5146 2a66eca42beb4a0dab92347a12bb1d57 c1c284c21af74c71a5a74dbc6f662fdc - - default default] [instance: 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:06:32.700 12 WARNING nova.scheduler.utils [None req-3b24c6de-f3bc-499f-8fb1-8d4fd20c5146 2a66eca42beb4a0dab92347a12bb1d57 c1c284c21af74c71a5a74dbc6f662fdc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc.
2026-07-16 11:06:32.700 12 WARNING nova.scheduler.utils [None req-3b24c6de-f3bc-499f-8fb1-8d4fd20c5146 2a66eca42beb4a0dab92347a12bb1d57 c1c284c21af74c71a5a74dbc6f662fdc - - default default] [instance: 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc.
2026-07-16 11:06:32.746 12 WARNING neutronclient.v2_0.client [None req-3b24c6de-f3bc-499f-8fb1-8d4fd20c5146 2a66eca42beb4a0dab92347a12bb1d57 c1c284c21af74c71a5a74dbc6f662fdc - - 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 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc.
2026-07-16 11:06:32.771 12 WARNING neutronclient.v2_0.client [None req-3b24c6de-f3bc-499f-8fb1-8d4fd20c5146 2a66eca42beb4a0dab92347a12bb1d57 c1c284c21af74c71a5a74dbc6f662fdc - - 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 2c661de4-52d6-4cf4-b4a2-7711ffc8f6cc.
2026-07-16 11:06:37.532 12 ERROR nova.scheduler.utils [None req-6a6488fe-f680-4d34-8b87-7627a9590145 2e35f2d3e5cc4a18bf929dfd71452f91 87d45c82b9144a8ab54454312bb9d421 - - default default] [instance: 19f6acea-72b5-4621-bf61-7bcf2635899f] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 19f6acea-72b5-4621-bf61-7bcf2635899f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:06:37.533 12 WARNING nova.scheduler.utils [None req-6a6488fe-f680-4d34-8b87-7627a9590145 2e35f2d3e5cc4a18bf929dfd71452f91 87d45c82b9144a8ab54454312bb9d421 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19f6acea-72b5-4621-bf61-7bcf2635899f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19f6acea-72b5-4621-bf61-7bcf2635899f.
2026-07-16 11:06:37.534 12 WARNING nova.scheduler.utils [None req-6a6488fe-f680-4d34-8b87-7627a9590145 2e35f2d3e5cc4a18bf929dfd71452f91 87d45c82b9144a8ab54454312bb9d421 - - default default] [instance: 19f6acea-72b5-4621-bf61-7bcf2635899f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19f6acea-72b5-4621-bf61-7bcf2635899f.
2026-07-16 11:06:37.593 12 WARNING neutronclient.v2_0.client [None req-6a6488fe-f680-4d34-8b87-7627a9590145 2e35f2d3e5cc4a18bf929dfd71452f91 87d45c82b9144a8ab54454312bb9d421 - - 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 19f6acea-72b5-4621-bf61-7bcf2635899f.
2026-07-16 11:06:37.636 12 WARNING neutronclient.v2_0.client [None req-6a6488fe-f680-4d34-8b87-7627a9590145 2e35f2d3e5cc4a18bf929dfd71452f91 87d45c82b9144a8ab54454312bb9d421 - - 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 19f6acea-72b5-4621-bf61-7bcf2635899f.
2026-07-16 11:07:04.274 10 ERROR nova.scheduler.utils [None req-e416db08-aa12-46e5-bc85-7381b52daeef ad973f2d2cba45bba8b74874a602c354 c5290e3b2f9b49319472d454b4a52903 - - default default] [instance: 8bcf0bba-3401-4502-be6f-b630fcc963de] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 8bcf0bba-3401-4502-be6f-b630fcc963de was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:07:04.275 10 WARNING nova.scheduler.utils [None req-e416db08-aa12-46e5-bc85-7381b52daeef ad973f2d2cba45bba8b74874a602c354 c5290e3b2f9b49319472d454b4a52903 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8bcf0bba-3401-4502-be6f-b630fcc963de.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8bcf0bba-3401-4502-be6f-b630fcc963de.
2026-07-16 11:07:04.275 10 WARNING nova.scheduler.utils [None req-e416db08-aa12-46e5-bc85-7381b52daeef ad973f2d2cba45bba8b74874a602c354 c5290e3b2f9b49319472d454b4a52903 - - default default] [instance: 8bcf0bba-3401-4502-be6f-b630fcc963de] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8bcf0bba-3401-4502-be6f-b630fcc963de.
2026-07-16 11:07:04.317 10 WARNING neutronclient.v2_0.client [None req-e416db08-aa12-46e5-bc85-7381b52daeef ad973f2d2cba45bba8b74874a602c354 c5290e3b2f9b49319472d454b4a52903 - - 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 8bcf0bba-3401-4502-be6f-b630fcc963de.
2026-07-16 11:07:04.343 10 WARNING neutronclient.v2_0.client [None req-e416db08-aa12-46e5-bc85-7381b52daeef ad973f2d2cba45bba8b74874a602c354 c5290e3b2f9b49319472d454b4a52903 - - 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 8bcf0bba-3401-4502-be6f-b630fcc963de.
2026-07-16 11:07:15.560 12 ERROR nova.scheduler.utils [None req-a2d9a333-6e3c-4d51-acb2-34879532e623 8c636a5c5e314d4891ea3c1aab19b112 7ce7b935b9024fa090c91c3ea8cba266 - - default default] [instance: 88c36332-c6bd-4a5f-91c4-7105b3da5145] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 88c36332-c6bd-4a5f-91c4-7105b3da5145 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:07:15.561 12 WARNING nova.scheduler.utils [None req-a2d9a333-6e3c-4d51-acb2-34879532e623 8c636a5c5e314d4891ea3c1aab19b112 7ce7b935b9024fa090c91c3ea8cba266 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88c36332-c6bd-4a5f-91c4-7105b3da5145.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88c36332-c6bd-4a5f-91c4-7105b3da5145.
2026-07-16 11:07:15.561 12 WARNING nova.scheduler.utils [None req-a2d9a333-6e3c-4d51-acb2-34879532e623 8c636a5c5e314d4891ea3c1aab19b112 7ce7b935b9024fa090c91c3ea8cba266 - - default default] [instance: 88c36332-c6bd-4a5f-91c4-7105b3da5145] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88c36332-c6bd-4a5f-91c4-7105b3da5145.
2026-07-16 11:07:15.617 12 WARNING neutronclient.v2_0.client [None req-a2d9a333-6e3c-4d51-acb2-34879532e623 8c636a5c5e314d4891ea3c1aab19b112 7ce7b935b9024fa090c91c3ea8cba266 - - 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 88c36332-c6bd-4a5f-91c4-7105b3da5145.
2026-07-16 11:07:15.649 12 WARNING neutronclient.v2_0.client [None req-a2d9a333-6e3c-4d51-acb2-34879532e623 8c636a5c5e314d4891ea3c1aab19b112 7ce7b935b9024fa090c91c3ea8cba266 - - 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 88c36332-c6bd-4a5f-91c4-7105b3da5145.
2026-07-16 11:08:12.079 12 ERROR nova.scheduler.utils [None req-217fd063-bee5-4d08-b7a4-053c8c7b29af 835209162ff44ef3a6f6d9557545c131 147099719a11430fb758a4fdf8886ecc - - default default] [instance: df768c23-df7c-43e2-b561-18cf8f0392e6] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance df768c23-df7c-43e2-b561-18cf8f0392e6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:08:12.079 12 WARNING nova.scheduler.utils [None req-217fd063-bee5-4d08-b7a4-053c8c7b29af 835209162ff44ef3a6f6d9557545c131 147099719a11430fb758a4fdf8886ecc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df768c23-df7c-43e2-b561-18cf8f0392e6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df768c23-df7c-43e2-b561-18cf8f0392e6.
2026-07-16 11:08:12.080 12 WARNING nova.scheduler.utils [None req-217fd063-bee5-4d08-b7a4-053c8c7b29af 835209162ff44ef3a6f6d9557545c131 147099719a11430fb758a4fdf8886ecc - - default default] [instance: df768c23-df7c-43e2-b561-18cf8f0392e6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df768c23-df7c-43e2-b561-18cf8f0392e6.
2026-07-16 11:08:12.134 12 WARNING neutronclient.v2_0.client [None req-217fd063-bee5-4d08-b7a4-053c8c7b29af 835209162ff44ef3a6f6d9557545c131 147099719a11430fb758a4fdf8886ecc - - 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 df768c23-df7c-43e2-b561-18cf8f0392e6.
2026-07-16 11:08:12.160 12 WARNING neutronclient.v2_0.client [None req-217fd063-bee5-4d08-b7a4-053c8c7b29af 835209162ff44ef3a6f6d9557545c131 147099719a11430fb758a4fdf8886ecc - - 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 df768c23-df7c-43e2-b561-18cf8f0392e6.
2026-07-16 11:08:52.162 12 ERROR nova.scheduler.utils [None req-29291bd4-0f05-4017-9e91-045ed90ced04 09b102e76951425c92f6fb923e4793e9 c58252a95f5c45ec800ee0d2e1dd3cd4 - - default default] [instance: e20fbc69-230a-4b3f-ab45-abb8f70ade7e] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance e20fbc69-230a-4b3f-ab45-abb8f70ade7e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:08:52.162 12 WARNING nova.scheduler.utils [None req-29291bd4-0f05-4017-9e91-045ed90ced04 09b102e76951425c92f6fb923e4793e9 c58252a95f5c45ec800ee0d2e1dd3cd4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e20fbc69-230a-4b3f-ab45-abb8f70ade7e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e20fbc69-230a-4b3f-ab45-abb8f70ade7e.
2026-07-16 11:08:52.163 12 WARNING nova.scheduler.utils [None req-29291bd4-0f05-4017-9e91-045ed90ced04 09b102e76951425c92f6fb923e4793e9 c58252a95f5c45ec800ee0d2e1dd3cd4 - - default default] [instance: e20fbc69-230a-4b3f-ab45-abb8f70ade7e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e20fbc69-230a-4b3f-ab45-abb8f70ade7e.
2026-07-16 11:08:52.205 12 WARNING neutronclient.v2_0.client [None req-29291bd4-0f05-4017-9e91-045ed90ced04 09b102e76951425c92f6fb923e4793e9 c58252a95f5c45ec800ee0d2e1dd3cd4 - - 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 e20fbc69-230a-4b3f-ab45-abb8f70ade7e.
2026-07-16 11:08:52.231 12 WARNING neutronclient.v2_0.client [None req-29291bd4-0f05-4017-9e91-045ed90ced04 09b102e76951425c92f6fb923e4793e9 c58252a95f5c45ec800ee0d2e1dd3cd4 - - 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 e20fbc69-230a-4b3f-ab45-abb8f70ade7e.
2026-07-16 11:08:59.249 10 ERROR nova.scheduler.utils [None req-23fe2141-75d9-41ef-a863-7b1e42817717 57cdb6da82fd4e21993767ba46538e88 31e6cfcc4d044b54bc4eaae02c47ae5d - - default default] [instance: 9f8b6390-b7b8-46da-a994-257ddfaa7fc4] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 9f8b6390-b7b8-46da-a994-257ddfaa7fc4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:08:59.250 10 WARNING nova.scheduler.utils [None req-23fe2141-75d9-41ef-a863-7b1e42817717 57cdb6da82fd4e21993767ba46538e88 31e6cfcc4d044b54bc4eaae02c47ae5d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9f8b6390-b7b8-46da-a994-257ddfaa7fc4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9f8b6390-b7b8-46da-a994-257ddfaa7fc4.
2026-07-16 11:08:59.250 10 WARNING nova.scheduler.utils [None req-23fe2141-75d9-41ef-a863-7b1e42817717 57cdb6da82fd4e21993767ba46538e88 31e6cfcc4d044b54bc4eaae02c47ae5d - - default default] [instance: 9f8b6390-b7b8-46da-a994-257ddfaa7fc4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9f8b6390-b7b8-46da-a994-257ddfaa7fc4.
2026-07-16 11:08:59.302 10 WARNING neutronclient.v2_0.client [None req-23fe2141-75d9-41ef-a863-7b1e42817717 57cdb6da82fd4e21993767ba46538e88 31e6cfcc4d044b54bc4eaae02c47ae5d - - 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 9f8b6390-b7b8-46da-a994-257ddfaa7fc4.
2026-07-16 11:08:59.335 10 WARNING neutronclient.v2_0.client [None req-23fe2141-75d9-41ef-a863-7b1e42817717 57cdb6da82fd4e21993767ba46538e88 31e6cfcc4d044b54bc4eaae02c47ae5d - - 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 9f8b6390-b7b8-46da-a994-257ddfaa7fc4.