+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-14 18:05:16.025 1 INFO nova.utils [None req-6d685ebf-88cb-4cb3-a036-5ca9fc6b2e62 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-14 18:05:16.177 1 INFO nova.utils [None req-6d685ebf-88cb-4cb3-a036-5ca9fc6b2e62 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-14 18:05:17.177 1 INFO nova.utils [None req-6d685ebf-88cb-4cb3-a036-5ca9fc6b2e62 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-14 18:05:17.180 1 WARNING oslo_service.backend._threading.service [None req-6d685ebf-88cb-4cb3-a036-5ca9fc6b2e62 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-14 18:05:17.191 1 WARNING oslo_config.cfg [None req-6d685ebf-88cb-4cb3-a036-5ca9fc6b2e62 - - - - - -] 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.
2026-07-14 18:05:17.241 11 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-14 18:05:17.251 13 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-14 18:45:37.181 13 INFO nova.utils [None req-a2425fa9-abd4-4b90-b0fb-e1e3ca707de5 06e1d8180cf6454cb4fe69546624effb b82d22db6b4b49b7834493009bf58240 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-14 18:45:37.500 13 INFO nova.compute.rpcapi [None req-bb48adac-9a66-4467-881d-2a0e6e0df227 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-14 18:45:52.533 11 ERROR nova.scheduler.utils [None req-1a9cb115-6be3-46a6-8055-c31c71f3279b 41a19300c7cf4efbb9d1f78586347085 7abe02c2be1543299404e74875586073 - - default default] [instance: bbdb9a06-f015-4243-a4e6-edf7804bf7b5] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance bbdb9a06-f015-4243-a4e6-edf7804bf7b5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:45:52.535 11 WARNING nova.scheduler.utils [None req-1a9cb115-6be3-46a6-8055-c31c71f3279b 41a19300c7cf4efbb9d1f78586347085 7abe02c2be1543299404e74875586073 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bbdb9a06-f015-4243-a4e6-edf7804bf7b5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bbdb9a06-f015-4243-a4e6-edf7804bf7b5.
2026-07-14 18:45:52.536 11 WARNING nova.scheduler.utils [None req-1a9cb115-6be3-46a6-8055-c31c71f3279b 41a19300c7cf4efbb9d1f78586347085 7abe02c2be1543299404e74875586073 - - default default] [instance: bbdb9a06-f015-4243-a4e6-edf7804bf7b5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bbdb9a06-f015-4243-a4e6-edf7804bf7b5.
2026-07-14 18:45:52.641 11 WARNING neutronclient.v2_0.client [None req-1a9cb115-6be3-46a6-8055-c31c71f3279b 41a19300c7cf4efbb9d1f78586347085 7abe02c2be1543299404e74875586073 - - 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 bbdb9a06-f015-4243-a4e6-edf7804bf7b5.
2026-07-14 18:45:53.129 11 WARNING neutronclient.v2_0.client [None req-1a9cb115-6be3-46a6-8055-c31c71f3279b 41a19300c7cf4efbb9d1f78586347085 7abe02c2be1543299404e74875586073 - - 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 bbdb9a06-f015-4243-a4e6-edf7804bf7b5.
2026-07-14 18:45:54.093 13 ERROR nova.scheduler.utils [None req-a2425fa9-abd4-4b90-b0fb-e1e3ca707de5 06e1d8180cf6454cb4fe69546624effb b82d22db6b4b49b7834493009bf58240 - - default default] [instance: cbe4a408-3fde-40aa-ba76-80fc2cceaf6a] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance cbe4a408-3fde-40aa-ba76-80fc2cceaf6a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:45:54.095 13 WARNING nova.scheduler.utils [None req-a2425fa9-abd4-4b90-b0fb-e1e3ca707de5 06e1d8180cf6454cb4fe69546624effb b82d22db6b4b49b7834493009bf58240 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cbe4a408-3fde-40aa-ba76-80fc2cceaf6a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cbe4a408-3fde-40aa-ba76-80fc2cceaf6a.
2026-07-14 18:45:54.095 13 WARNING nova.scheduler.utils [None req-a2425fa9-abd4-4b90-b0fb-e1e3ca707de5 06e1d8180cf6454cb4fe69546624effb b82d22db6b4b49b7834493009bf58240 - - default default] [instance: cbe4a408-3fde-40aa-ba76-80fc2cceaf6a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cbe4a408-3fde-40aa-ba76-80fc2cceaf6a.
2026-07-14 18:45:54.204 13 WARNING neutronclient.v2_0.client [None req-a2425fa9-abd4-4b90-b0fb-e1e3ca707de5 06e1d8180cf6454cb4fe69546624effb b82d22db6b4b49b7834493009bf58240 - - 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 cbe4a408-3fde-40aa-ba76-80fc2cceaf6a.
2026-07-14 18:45:54.854 13 WARNING neutronclient.v2_0.client [None req-a2425fa9-abd4-4b90-b0fb-e1e3ca707de5 06e1d8180cf6454cb4fe69546624effb b82d22db6b4b49b7834493009bf58240 - - 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 cbe4a408-3fde-40aa-ba76-80fc2cceaf6a.
2026-07-14 18:46:13.867 11 INFO nova.utils [None req-2108707f-459a-449f-a99a-9cf6658cce4a 34fc9399de064ae39714d6060e1e8ea6 1ea85520ffef4979a919dbcedc0416bc - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-14 18:46:14.022 11 INFO nova.compute.rpcapi [None req-f72d4d2a-deb0-4e49-969b-9901bdd06267 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-14 18:46:25.199 11 ERROR nova.scheduler.utils [None req-fd239e3d-dc6e-4143-a65d-a16abcd67986 90b065b872354da5bec14a0ec44fef8c 2240f9374c49427abcd7523acc45f56f - - default default] [instance: b1343936-f4b2-44f5-bd87-4b112cb974e9] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance b1343936-f4b2-44f5-bd87-4b112cb974e9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:46:25.201 11 WARNING nova.scheduler.utils [None req-fd239e3d-dc6e-4143-a65d-a16abcd67986 90b065b872354da5bec14a0ec44fef8c 2240f9374c49427abcd7523acc45f56f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1343936-f4b2-44f5-bd87-4b112cb974e9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1343936-f4b2-44f5-bd87-4b112cb974e9.
2026-07-14 18:46:25.202 11 WARNING nova.scheduler.utils [None req-fd239e3d-dc6e-4143-a65d-a16abcd67986 90b065b872354da5bec14a0ec44fef8c 2240f9374c49427abcd7523acc45f56f - - default default] [instance: b1343936-f4b2-44f5-bd87-4b112cb974e9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1343936-f4b2-44f5-bd87-4b112cb974e9.
2026-07-14 18:46:25.246 11 WARNING neutronclient.v2_0.client [None req-fd239e3d-dc6e-4143-a65d-a16abcd67986 90b065b872354da5bec14a0ec44fef8c 2240f9374c49427abcd7523acc45f56f - - 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 b1343936-f4b2-44f5-bd87-4b112cb974e9.
2026-07-14 18:46:25.279 11 WARNING neutronclient.v2_0.client [None req-fd239e3d-dc6e-4143-a65d-a16abcd67986 90b065b872354da5bec14a0ec44fef8c 2240f9374c49427abcd7523acc45f56f - - 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 b1343936-f4b2-44f5-bd87-4b112cb974e9.
2026-07-14 18:46:31.809 11 ERROR nova.scheduler.utils [None req-2108707f-459a-449f-a99a-9cf6658cce4a 34fc9399de064ae39714d6060e1e8ea6 1ea85520ffef4979a919dbcedc0416bc - - default default] [instance: 827e00dc-76ec-483c-a4ef-cb4e07578650] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 827e00dc-76ec-483c-a4ef-cb4e07578650 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:46:31.810 11 WARNING nova.scheduler.utils [None req-2108707f-459a-449f-a99a-9cf6658cce4a 34fc9399de064ae39714d6060e1e8ea6 1ea85520ffef4979a919dbcedc0416bc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 827e00dc-76ec-483c-a4ef-cb4e07578650.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 827e00dc-76ec-483c-a4ef-cb4e07578650.
2026-07-14 18:46:31.810 11 WARNING nova.scheduler.utils [None req-2108707f-459a-449f-a99a-9cf6658cce4a 34fc9399de064ae39714d6060e1e8ea6 1ea85520ffef4979a919dbcedc0416bc - - default default] [instance: 827e00dc-76ec-483c-a4ef-cb4e07578650] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 827e00dc-76ec-483c-a4ef-cb4e07578650.
2026-07-14 18:46:31.870 11 WARNING neutronclient.v2_0.client [None req-2108707f-459a-449f-a99a-9cf6658cce4a 34fc9399de064ae39714d6060e1e8ea6 1ea85520ffef4979a919dbcedc0416bc - - 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 827e00dc-76ec-483c-a4ef-cb4e07578650.
2026-07-14 18:46:31.921 11 WARNING neutronclient.v2_0.client [None req-2108707f-459a-449f-a99a-9cf6658cce4a 34fc9399de064ae39714d6060e1e8ea6 1ea85520ffef4979a919dbcedc0416bc - - 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 827e00dc-76ec-483c-a4ef-cb4e07578650.
2026-07-14 18:46:39.216 11 ERROR nova.scheduler.utils [None req-65143bc4-034d-427d-85b5-db063e37662c 5b9239652bdc4a1fb095681825d0481e fd930ee9144140078254714ba4b5c0a3 - - default default] [instance: 4159a659-5e71-4ee8-92c2-70bda7d74a6a] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 4159a659-5e71-4ee8-92c2-70bda7d74a6a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:46:39.218 11 WARNING nova.scheduler.utils [None req-65143bc4-034d-427d-85b5-db063e37662c 5b9239652bdc4a1fb095681825d0481e fd930ee9144140078254714ba4b5c0a3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4159a659-5e71-4ee8-92c2-70bda7d74a6a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4159a659-5e71-4ee8-92c2-70bda7d74a6a.
2026-07-14 18:46:39.218 11 WARNING nova.scheduler.utils [None req-65143bc4-034d-427d-85b5-db063e37662c 5b9239652bdc4a1fb095681825d0481e fd930ee9144140078254714ba4b5c0a3 - - default default] [instance: 4159a659-5e71-4ee8-92c2-70bda7d74a6a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4159a659-5e71-4ee8-92c2-70bda7d74a6a.
2026-07-14 18:46:39.271 11 WARNING neutronclient.v2_0.client [None req-65143bc4-034d-427d-85b5-db063e37662c 5b9239652bdc4a1fb095681825d0481e fd930ee9144140078254714ba4b5c0a3 - - 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 4159a659-5e71-4ee8-92c2-70bda7d74a6a.
2026-07-14 18:46:39.697 11 WARNING neutronclient.v2_0.client [None req-65143bc4-034d-427d-85b5-db063e37662c 5b9239652bdc4a1fb095681825d0481e fd930ee9144140078254714ba4b5c0a3 - - 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 4159a659-5e71-4ee8-92c2-70bda7d74a6a.
2026-07-14 18:46:57.586 11 ERROR nova.scheduler.utils [None req-d52e67c3-ef9b-46b8-969a-65e8db89a418 9a3713647f564f8d9005c94f32901984 7578998618594e978d77f4b741d9da4d - - default default] [instance: 60646d99-71c5-4a69-8acf-b822f9a1663a] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 60646d99-71c5-4a69-8acf-b822f9a1663a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:46:57.586 11 WARNING nova.scheduler.utils [None req-d52e67c3-ef9b-46b8-969a-65e8db89a418 9a3713647f564f8d9005c94f32901984 7578998618594e978d77f4b741d9da4d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60646d99-71c5-4a69-8acf-b822f9a1663a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60646d99-71c5-4a69-8acf-b822f9a1663a.
2026-07-14 18:46:57.587 11 WARNING nova.scheduler.utils [None req-d52e67c3-ef9b-46b8-969a-65e8db89a418 9a3713647f564f8d9005c94f32901984 7578998618594e978d77f4b741d9da4d - - default default] [instance: 60646d99-71c5-4a69-8acf-b822f9a1663a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60646d99-71c5-4a69-8acf-b822f9a1663a.
2026-07-14 18:46:57.646 11 WARNING neutronclient.v2_0.client [None req-d52e67c3-ef9b-46b8-969a-65e8db89a418 9a3713647f564f8d9005c94f32901984 7578998618594e978d77f4b741d9da4d - - 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 60646d99-71c5-4a69-8acf-b822f9a1663a.
2026-07-14 18:46:57.740 11 WARNING neutronclient.v2_0.client [None req-d52e67c3-ef9b-46b8-969a-65e8db89a418 9a3713647f564f8d9005c94f32901984 7578998618594e978d77f4b741d9da4d - - 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 60646d99-71c5-4a69-8acf-b822f9a1663a.
2026-07-14 18:47:17.951 13 ERROR nova.scheduler.utils [None req-57001282-9dcb-42bb-ac65-48d120a813ac eeabd60742124de1b6f8f52d9bb83fb1 880cdc3f9dee464285ab808b87627da2 - - default default] [instance: 44260378-cc7e-4d8b-bb94-4509fdca857b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 44260378-cc7e-4d8b-bb94-4509fdca857b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:47:17.952 13 WARNING nova.scheduler.utils [None req-57001282-9dcb-42bb-ac65-48d120a813ac eeabd60742124de1b6f8f52d9bb83fb1 880cdc3f9dee464285ab808b87627da2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44260378-cc7e-4d8b-bb94-4509fdca857b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44260378-cc7e-4d8b-bb94-4509fdca857b.
2026-07-14 18:47:17.952 13 WARNING nova.scheduler.utils [None req-57001282-9dcb-42bb-ac65-48d120a813ac eeabd60742124de1b6f8f52d9bb83fb1 880cdc3f9dee464285ab808b87627da2 - - default default] [instance: 44260378-cc7e-4d8b-bb94-4509fdca857b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44260378-cc7e-4d8b-bb94-4509fdca857b.
2026-07-14 18:47:18.006 13 WARNING neutronclient.v2_0.client [None req-57001282-9dcb-42bb-ac65-48d120a813ac eeabd60742124de1b6f8f52d9bb83fb1 880cdc3f9dee464285ab808b87627da2 - - 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 44260378-cc7e-4d8b-bb94-4509fdca857b.
2026-07-14 18:47:18.051 13 WARNING neutronclient.v2_0.client [None req-57001282-9dcb-42bb-ac65-48d120a813ac eeabd60742124de1b6f8f52d9bb83fb1 880cdc3f9dee464285ab808b87627da2 - - 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 44260378-cc7e-4d8b-bb94-4509fdca857b.
2026-07-14 18:47:26.658 13 ERROR nova.scheduler.utils [None req-f5a111ea-ceaa-4cf5-9c0b-d8a8c3a6092d 8eb93327b00549fd9b86923eaf76f550 3bd8ed949cf94e53abf7a920febc1e1d - - default default] [instance: 45c1726f-94b8-4c94-97ca-a806931826cf] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 45c1726f-94b8-4c94-97ca-a806931826cf was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:47:26.659 13 WARNING nova.scheduler.utils [None req-f5a111ea-ceaa-4cf5-9c0b-d8a8c3a6092d 8eb93327b00549fd9b86923eaf76f550 3bd8ed949cf94e53abf7a920febc1e1d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45c1726f-94b8-4c94-97ca-a806931826cf.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45c1726f-94b8-4c94-97ca-a806931826cf.
2026-07-14 18:47:26.659 13 WARNING nova.scheduler.utils [None req-f5a111ea-ceaa-4cf5-9c0b-d8a8c3a6092d 8eb93327b00549fd9b86923eaf76f550 3bd8ed949cf94e53abf7a920febc1e1d - - default default] [instance: 45c1726f-94b8-4c94-97ca-a806931826cf] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 45c1726f-94b8-4c94-97ca-a806931826cf.
2026-07-14 18:47:26.709 13 WARNING neutronclient.v2_0.client [None req-f5a111ea-ceaa-4cf5-9c0b-d8a8c3a6092d 8eb93327b00549fd9b86923eaf76f550 3bd8ed949cf94e53abf7a920febc1e1d - - 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 45c1726f-94b8-4c94-97ca-a806931826cf.
2026-07-14 18:47:26.736 13 WARNING neutronclient.v2_0.client [None req-f5a111ea-ceaa-4cf5-9c0b-d8a8c3a6092d 8eb93327b00549fd9b86923eaf76f550 3bd8ed949cf94e53abf7a920febc1e1d - - 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 45c1726f-94b8-4c94-97ca-a806931826cf.
2026-07-14 18:48:30.386 11 ERROR nova.scheduler.utils [None req-cb2779e5-83c6-487e-9459-b3943269d95d 5c161559dc654078ab0e24cc37ec8244 83515e1a76c24877a5df54eacb3a00a6 - - default default] [instance: 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:48:30.389 11 WARNING nova.scheduler.utils [None req-cb2779e5-83c6-487e-9459-b3943269d95d 5c161559dc654078ab0e24cc37ec8244 83515e1a76c24877a5df54eacb3a00a6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8.
2026-07-14 18:48:30.391 11 WARNING nova.scheduler.utils [None req-cb2779e5-83c6-487e-9459-b3943269d95d 5c161559dc654078ab0e24cc37ec8244 83515e1a76c24877a5df54eacb3a00a6 - - default default] [instance: 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8.
2026-07-14 18:48:30.450 11 WARNING neutronclient.v2_0.client [None req-cb2779e5-83c6-487e-9459-b3943269d95d 5c161559dc654078ab0e24cc37ec8244 83515e1a76c24877a5df54eacb3a00a6 - - 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 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8.
2026-07-14 18:48:30.484 11 WARNING neutronclient.v2_0.client [None req-cb2779e5-83c6-487e-9459-b3943269d95d 5c161559dc654078ab0e24cc37ec8244 83515e1a76c24877a5df54eacb3a00a6 - - 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 0955f6b2-7e4b-4b2e-8054-e2d14959c2d8.
2026-07-14 18:49:06.055 13 ERROR nova.scheduler.utils [None req-80ea6cf8-eb5c-41ae-b8f9-b23c93f5da32 6cb969da9ee24efdab291e065ea3be69 53d3fb0d48ba4ae3905252f62c84e1c9 - - default default] [instance: 4cf69866-9f48-4763-aa6b-80b44cfb34b5] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 4cf69866-9f48-4763-aa6b-80b44cfb34b5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-14 18:49:06.056 13 WARNING nova.scheduler.utils [None req-80ea6cf8-eb5c-41ae-b8f9-b23c93f5da32 6cb969da9ee24efdab291e065ea3be69 53d3fb0d48ba4ae3905252f62c84e1c9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4cf69866-9f48-4763-aa6b-80b44cfb34b5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4cf69866-9f48-4763-aa6b-80b44cfb34b5.
2026-07-14 18:49:06.056 13 WARNING nova.scheduler.utils [None req-80ea6cf8-eb5c-41ae-b8f9-b23c93f5da32 6cb969da9ee24efdab291e065ea3be69 53d3fb0d48ba4ae3905252f62c84e1c9 - - default default] [instance: 4cf69866-9f48-4763-aa6b-80b44cfb34b5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4cf69866-9f48-4763-aa6b-80b44cfb34b5.
2026-07-14 18:49:06.108 13 WARNING neutronclient.v2_0.client [None req-80ea6cf8-eb5c-41ae-b8f9-b23c93f5da32 6cb969da9ee24efdab291e065ea3be69 53d3fb0d48ba4ae3905252f62c84e1c9 - - 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 4cf69866-9f48-4763-aa6b-80b44cfb34b5.
2026-07-14 18:49:06.133 13 WARNING neutronclient.v2_0.client [None req-80ea6cf8-eb5c-41ae-b8f9-b23c93f5da32 6cb969da9ee24efdab291e065ea3be69 53d3fb0d48ba4ae3905252f62c84e1c9 - - 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 4cf69866-9f48-4763-aa6b-80b44cfb34b5.