+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-08 15:59:06.901 1 INFO nova.utils [None req-ab9c9f72-6588-4f6e-97cc-31c3035022ca - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-08 15:59:07.077 1 INFO nova.utils [None req-ab9c9f72-6588-4f6e-97cc-31c3035022ca - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-08 15:59:08.077 1 INFO nova.utils [None req-ab9c9f72-6588-4f6e-97cc-31c3035022ca - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-08 15:59:08.081 1 WARNING oslo_service.backend._threading.service [None req-ab9c9f72-6588-4f6e-97cc-31c3035022ca - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-08 15:59:08.093 1 WARNING oslo_config.cfg [None req-ab9c9f72-6588-4f6e-97cc-31c3035022ca - - - - - -] 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.
2026-07-08 15:59:08.150 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-08 15:59:08.156 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-08 16:40:01.371 10 INFO nova.utils [None req-56d8cd75-d31a-4934-974e-e12eda9cd7fc 4d146a7c85c745cf83c52eb36299db64 3c74ffe1caaa4e6f88c6875002500b17 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-08 16:40:01.581 10 INFO nova.compute.rpcapi [None req-30cc0a2c-57f2-4f2a-82bd-6edacca89e2d - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-08 16:40:20.765 10 ERROR nova.scheduler.utils [None req-1e443ced-a3ee-4b38-92bf-16c6956fe2dc 46daf141013b4d348055e57445c6e62d 3b72c4b89239401abf22a34136864e8d - - default default] [instance: 10096ab0-1845-46bb-85e5-87ec7d9aab84] 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 10096ab0-1845-46bb-85e5-87ec7d9aab84 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:40:20.768 10 WARNING nova.scheduler.utils [None req-1e443ced-a3ee-4b38-92bf-16c6956fe2dc 46daf141013b4d348055e57445c6e62d 3b72c4b89239401abf22a34136864e8d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10096ab0-1845-46bb-85e5-87ec7d9aab84.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10096ab0-1845-46bb-85e5-87ec7d9aab84.
2026-07-08 16:40:20.768 10 WARNING nova.scheduler.utils [None req-1e443ced-a3ee-4b38-92bf-16c6956fe2dc 46daf141013b4d348055e57445c6e62d 3b72c4b89239401abf22a34136864e8d - - default default] [instance: 10096ab0-1845-46bb-85e5-87ec7d9aab84] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 10096ab0-1845-46bb-85e5-87ec7d9aab84.
2026-07-08 16:40:20.905 10 WARNING neutronclient.v2_0.client [None req-1e443ced-a3ee-4b38-92bf-16c6956fe2dc 46daf141013b4d348055e57445c6e62d 3b72c4b89239401abf22a34136864e8d - - 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 10096ab0-1845-46bb-85e5-87ec7d9aab84.
2026-07-08 16:40:21.649 10 WARNING neutronclient.v2_0.client [None req-1e443ced-a3ee-4b38-92bf-16c6956fe2dc 46daf141013b4d348055e57445c6e62d 3b72c4b89239401abf22a34136864e8d - - 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 10096ab0-1845-46bb-85e5-87ec7d9aab84.
2026-07-08 16:40:22.335 12 ERROR nova.scheduler.utils [None req-56d8cd75-d31a-4934-974e-e12eda9cd7fc 4d146a7c85c745cf83c52eb36299db64 3c74ffe1caaa4e6f88c6875002500b17 - - default default] [instance: 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff] 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 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:40:22.337 12 WARNING nova.scheduler.utils [None req-56d8cd75-d31a-4934-974e-e12eda9cd7fc 4d146a7c85c745cf83c52eb36299db64 3c74ffe1caaa4e6f88c6875002500b17 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff.
2026-07-08 16:40:22.338 12 WARNING nova.scheduler.utils [None req-56d8cd75-d31a-4934-974e-e12eda9cd7fc 4d146a7c85c745cf83c52eb36299db64 3c74ffe1caaa4e6f88c6875002500b17 - - default default] [instance: 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff.
2026-07-08 16:40:22.438 12 WARNING neutronclient.v2_0.client [None req-56d8cd75-d31a-4934-974e-e12eda9cd7fc 4d146a7c85c745cf83c52eb36299db64 3c74ffe1caaa4e6f88c6875002500b17 - - 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 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff.
2026-07-08 16:40:23.147 12 WARNING neutronclient.v2_0.client [None req-56d8cd75-d31a-4934-974e-e12eda9cd7fc 4d146a7c85c745cf83c52eb36299db64 3c74ffe1caaa4e6f88c6875002500b17 - - 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 9e7bf7ed-5aa7-40dd-8e89-ec8c94e3b7ff.
2026-07-08 16:40:24.031 10 ERROR nova.scheduler.utils [None req-774c3c8d-ba03-48bd-b735-8d72b6a2726b 8c4fcb90921e49ce8039bba0c122bd64 2a0c3f7ec0144c66b80283cbe39ead0c - - default default] [instance: aaa9b687-1575-4440-8056-c1841992fd9f] 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 aaa9b687-1575-4440-8056-c1841992fd9f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:40:24.032 10 WARNING nova.scheduler.utils [None req-774c3c8d-ba03-48bd-b735-8d72b6a2726b 8c4fcb90921e49ce8039bba0c122bd64 2a0c3f7ec0144c66b80283cbe39ead0c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance aaa9b687-1575-4440-8056-c1841992fd9f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance aaa9b687-1575-4440-8056-c1841992fd9f.
2026-07-08 16:40:24.033 10 WARNING nova.scheduler.utils [None req-774c3c8d-ba03-48bd-b735-8d72b6a2726b 8c4fcb90921e49ce8039bba0c122bd64 2a0c3f7ec0144c66b80283cbe39ead0c - - default default] [instance: aaa9b687-1575-4440-8056-c1841992fd9f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance aaa9b687-1575-4440-8056-c1841992fd9f.
2026-07-08 16:40:24.083 10 WARNING neutronclient.v2_0.client [None req-774c3c8d-ba03-48bd-b735-8d72b6a2726b 8c4fcb90921e49ce8039bba0c122bd64 2a0c3f7ec0144c66b80283cbe39ead0c - - 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 aaa9b687-1575-4440-8056-c1841992fd9f.
2026-07-08 16:40:24.111 10 WARNING neutronclient.v2_0.client [None req-774c3c8d-ba03-48bd-b735-8d72b6a2726b 8c4fcb90921e49ce8039bba0c122bd64 2a0c3f7ec0144c66b80283cbe39ead0c - - 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 aaa9b687-1575-4440-8056-c1841992fd9f.
2026-07-08 16:40:39.458 12 INFO nova.utils [None req-b4986372-fe00-4407-9aaf-56855d089527 7d9169d5e59d47a7bb60cd5bad731f91 37c46908a68d44ab9e9e27bf4c7dbcc1 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-08 16:40:39.626 12 INFO nova.compute.rpcapi [None req-cb63312c-14fb-467e-aa69-6c750c96a311 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-08 16:40:55.920 12 ERROR nova.scheduler.utils [None req-b4986372-fe00-4407-9aaf-56855d089527 7d9169d5e59d47a7bb60cd5bad731f91 37c46908a68d44ab9e9e27bf4c7dbcc1 - - default default] [instance: 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0] 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 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:40:55.921 12 WARNING nova.scheduler.utils [None req-b4986372-fe00-4407-9aaf-56855d089527 7d9169d5e59d47a7bb60cd5bad731f91 37c46908a68d44ab9e9e27bf4c7dbcc1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0.
2026-07-08 16:40:55.921 12 WARNING nova.scheduler.utils [None req-b4986372-fe00-4407-9aaf-56855d089527 7d9169d5e59d47a7bb60cd5bad731f91 37c46908a68d44ab9e9e27bf4c7dbcc1 - - default default] [instance: 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0.
2026-07-08 16:40:55.973 12 WARNING neutronclient.v2_0.client [None req-b4986372-fe00-4407-9aaf-56855d089527 7d9169d5e59d47a7bb60cd5bad731f91 37c46908a68d44ab9e9e27bf4c7dbcc1 - - 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 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0.
2026-07-08 16:40:56.321 12 WARNING neutronclient.v2_0.client [None req-b4986372-fe00-4407-9aaf-56855d089527 7d9169d5e59d47a7bb60cd5bad731f91 37c46908a68d44ab9e9e27bf4c7dbcc1 - - 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 3cbc72f5-9cc4-4dcb-8d83-1e15d2b2f5d0.
2026-07-08 16:40:58.077 12 ERROR nova.scheduler.utils [None req-b2f034b6-e45d-4cab-bf7a-35a54fe55bda 112556d98e2c4aadb91a3260ae2c5dab d67c62f3e76e4ca781419906b73f5749 - - default default] [instance: 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e] 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 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:40:58.078 12 WARNING nova.scheduler.utils [None req-b2f034b6-e45d-4cab-bf7a-35a54fe55bda 112556d98e2c4aadb91a3260ae2c5dab d67c62f3e76e4ca781419906b73f5749 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e.
2026-07-08 16:40:58.078 12 WARNING nova.scheduler.utils [None req-b2f034b6-e45d-4cab-bf7a-35a54fe55bda 112556d98e2c4aadb91a3260ae2c5dab d67c62f3e76e4ca781419906b73f5749 - - default default] [instance: 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e.
2026-07-08 16:40:58.132 12 WARNING neutronclient.v2_0.client [None req-b2f034b6-e45d-4cab-bf7a-35a54fe55bda 112556d98e2c4aadb91a3260ae2c5dab d67c62f3e76e4ca781419906b73f5749 - - 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 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e.
2026-07-08 16:40:58.349 12 WARNING neutronclient.v2_0.client [None req-b2f034b6-e45d-4cab-bf7a-35a54fe55bda 112556d98e2c4aadb91a3260ae2c5dab d67c62f3e76e4ca781419906b73f5749 - - 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 5aa4fc5b-cf99-4ec7-ab81-89befcc2cd2e.
2026-07-08 16:41:33.139 12 ERROR nova.scheduler.utils [None req-05fce244-be17-44a1-8c28-5ddc0cf2832a 68f1a166382a49768c6ae35a29986c48 bfa2a66f4bb046a1b46f419e06f78f6e - - default default] [instance: 65d1b935-7d90-4d3d-8777-081f445db5bf] 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 65d1b935-7d90-4d3d-8777-081f445db5bf was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:41:33.141 12 WARNING nova.scheduler.utils [None req-05fce244-be17-44a1-8c28-5ddc0cf2832a 68f1a166382a49768c6ae35a29986c48 bfa2a66f4bb046a1b46f419e06f78f6e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 65d1b935-7d90-4d3d-8777-081f445db5bf.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 65d1b935-7d90-4d3d-8777-081f445db5bf.
2026-07-08 16:41:33.143 12 WARNING nova.scheduler.utils [None req-05fce244-be17-44a1-8c28-5ddc0cf2832a 68f1a166382a49768c6ae35a29986c48 bfa2a66f4bb046a1b46f419e06f78f6e - - default default] [instance: 65d1b935-7d90-4d3d-8777-081f445db5bf] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 65d1b935-7d90-4d3d-8777-081f445db5bf.
2026-07-08 16:41:33.201 12 WARNING neutronclient.v2_0.client [None req-05fce244-be17-44a1-8c28-5ddc0cf2832a 68f1a166382a49768c6ae35a29986c48 bfa2a66f4bb046a1b46f419e06f78f6e - - 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 65d1b935-7d90-4d3d-8777-081f445db5bf.
2026-07-08 16:41:33.290 12 WARNING neutronclient.v2_0.client [None req-05fce244-be17-44a1-8c28-5ddc0cf2832a 68f1a166382a49768c6ae35a29986c48 bfa2a66f4bb046a1b46f419e06f78f6e - - 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 65d1b935-7d90-4d3d-8777-081f445db5bf.
2026-07-08 16:41:55.830 12 ERROR nova.scheduler.utils [None req-0fad87e4-5a5d-4301-a06a-47fc28f0a99d e8acc0d288bf4cf8beb9bcc21f0c693a fec6c4dde03c49f9b6cd94453ff2e7c5 - - default default] [instance: 045d98ac-d89a-4283-873a-d1ecb170af14] 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 045d98ac-d89a-4283-873a-d1ecb170af14 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:41:55.831 12 WARNING nova.scheduler.utils [None req-0fad87e4-5a5d-4301-a06a-47fc28f0a99d e8acc0d288bf4cf8beb9bcc21f0c693a fec6c4dde03c49f9b6cd94453ff2e7c5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 045d98ac-d89a-4283-873a-d1ecb170af14.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 045d98ac-d89a-4283-873a-d1ecb170af14.
2026-07-08 16:41:55.831 12 WARNING nova.scheduler.utils [None req-0fad87e4-5a5d-4301-a06a-47fc28f0a99d e8acc0d288bf4cf8beb9bcc21f0c693a fec6c4dde03c49f9b6cd94453ff2e7c5 - - default default] [instance: 045d98ac-d89a-4283-873a-d1ecb170af14] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 045d98ac-d89a-4283-873a-d1ecb170af14.
2026-07-08 16:41:55.885 12 WARNING neutronclient.v2_0.client [None req-0fad87e4-5a5d-4301-a06a-47fc28f0a99d e8acc0d288bf4cf8beb9bcc21f0c693a fec6c4dde03c49f9b6cd94453ff2e7c5 - - 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 045d98ac-d89a-4283-873a-d1ecb170af14.
2026-07-08 16:41:55.920 12 WARNING neutronclient.v2_0.client [None req-0fad87e4-5a5d-4301-a06a-47fc28f0a99d e8acc0d288bf4cf8beb9bcc21f0c693a fec6c4dde03c49f9b6cd94453ff2e7c5 - - 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 045d98ac-d89a-4283-873a-d1ecb170af14.
2026-07-08 16:42:49.647 12 ERROR nova.scheduler.utils [None req-39f2485b-8f24-4138-8a2e-5c1916efafff 142e8f2a450f4ae9afa50a77a16ea67f dacce13eb2884cb19ce26cffb539e29d - - default default] [instance: 697825f6-8399-46ed-ba75-a30bb049f2fe] 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 697825f6-8399-46ed-ba75-a30bb049f2fe was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:42:49.650 12 WARNING nova.scheduler.utils [None req-39f2485b-8f24-4138-8a2e-5c1916efafff 142e8f2a450f4ae9afa50a77a16ea67f dacce13eb2884cb19ce26cffb539e29d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 697825f6-8399-46ed-ba75-a30bb049f2fe.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 697825f6-8399-46ed-ba75-a30bb049f2fe.
2026-07-08 16:42:49.650 12 WARNING nova.scheduler.utils [None req-39f2485b-8f24-4138-8a2e-5c1916efafff 142e8f2a450f4ae9afa50a77a16ea67f dacce13eb2884cb19ce26cffb539e29d - - default default] [instance: 697825f6-8399-46ed-ba75-a30bb049f2fe] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 697825f6-8399-46ed-ba75-a30bb049f2fe.
2026-07-08 16:42:49.693 12 WARNING neutronclient.v2_0.client [None req-39f2485b-8f24-4138-8a2e-5c1916efafff 142e8f2a450f4ae9afa50a77a16ea67f dacce13eb2884cb19ce26cffb539e29d - - 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 697825f6-8399-46ed-ba75-a30bb049f2fe.
2026-07-08 16:42:49.722 12 WARNING neutronclient.v2_0.client [None req-39f2485b-8f24-4138-8a2e-5c1916efafff 142e8f2a450f4ae9afa50a77a16ea67f dacce13eb2884cb19ce26cffb539e29d - - 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 697825f6-8399-46ed-ba75-a30bb049f2fe.
2026-07-08 16:43:45.248 12 ERROR nova.scheduler.utils [None req-be206903-067a-4567-bdb8-9c089929d764 0c08475773054f69940971d543b1ffb9 aa97e7074a924d868783b2db00a70072 - - default default] [instance: 05fb0db6-11fe-4759-905a-6cb1da975401] 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 05fb0db6-11fe-4759-905a-6cb1da975401 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:43:45.249 12 WARNING nova.scheduler.utils [None req-be206903-067a-4567-bdb8-9c089929d764 0c08475773054f69940971d543b1ffb9 aa97e7074a924d868783b2db00a70072 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 05fb0db6-11fe-4759-905a-6cb1da975401.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 05fb0db6-11fe-4759-905a-6cb1da975401.
2026-07-08 16:43:45.249 12 WARNING nova.scheduler.utils [None req-be206903-067a-4567-bdb8-9c089929d764 0c08475773054f69940971d543b1ffb9 aa97e7074a924d868783b2db00a70072 - - default default] [instance: 05fb0db6-11fe-4759-905a-6cb1da975401] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 05fb0db6-11fe-4759-905a-6cb1da975401.
2026-07-08 16:43:45.294 12 WARNING neutronclient.v2_0.client [None req-be206903-067a-4567-bdb8-9c089929d764 0c08475773054f69940971d543b1ffb9 aa97e7074a924d868783b2db00a70072 - - 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 05fb0db6-11fe-4759-905a-6cb1da975401.
2026-07-08 16:43:45.326 12 WARNING neutronclient.v2_0.client [None req-be206903-067a-4567-bdb8-9c089929d764 0c08475773054f69940971d543b1ffb9 aa97e7074a924d868783b2db00a70072 - - 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 05fb0db6-11fe-4759-905a-6cb1da975401.
2026-07-08 16:45:40.070 12 ERROR nova.scheduler.utils [None req-5b50b361-a170-4bf7-852f-b0c5f7adb8ea 232503d625fd40fda5773dba34cd9e17 1032358020434a64a789ebe1b1db47f5 - - default default] [instance: 20276ed0-9195-406d-8d18-8b1789f429f5] 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 20276ed0-9195-406d-8d18-8b1789f429f5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-08 16:45:40.071 12 WARNING nova.scheduler.utils [None req-5b50b361-a170-4bf7-852f-b0c5f7adb8ea 232503d625fd40fda5773dba34cd9e17 1032358020434a64a789ebe1b1db47f5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 20276ed0-9195-406d-8d18-8b1789f429f5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 20276ed0-9195-406d-8d18-8b1789f429f5.
2026-07-08 16:45:40.071 12 WARNING nova.scheduler.utils [None req-5b50b361-a170-4bf7-852f-b0c5f7adb8ea 232503d625fd40fda5773dba34cd9e17 1032358020434a64a789ebe1b1db47f5 - - default default] [instance: 20276ed0-9195-406d-8d18-8b1789f429f5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 20276ed0-9195-406d-8d18-8b1789f429f5.
2026-07-08 16:45:40.119 12 WARNING neutronclient.v2_0.client [None req-5b50b361-a170-4bf7-852f-b0c5f7adb8ea 232503d625fd40fda5773dba34cd9e17 1032358020434a64a789ebe1b1db47f5 - - 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 20276ed0-9195-406d-8d18-8b1789f429f5.
2026-07-08 16:45:40.193 12 WARNING neutronclient.v2_0.client [None req-5b50b361-a170-4bf7-852f-b0c5f7adb8ea 232503d625fd40fda5773dba34cd9e17 1032358020434a64a789ebe1b1db47f5 - - 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 20276ed0-9195-406d-8d18-8b1789f429f5.