+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-15 03:50:29.985 1 INFO nova.utils [None req-d1745008-818d-45ec-96a9-68ac4ef8bf40 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-15 03:50:30.146 1 INFO nova.utils [None req-d1745008-818d-45ec-96a9-68ac4ef8bf40 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-15 03:50:31.146 1 INFO nova.utils [None req-d1745008-818d-45ec-96a9-68ac4ef8bf40 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-15 03:50:31.149 1 WARNING oslo_service.backend._threading.service [None req-d1745008-818d-45ec-96a9-68ac4ef8bf40 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-15 03:50:31.158 1 WARNING oslo_config.cfg [None req-d1745008-818d-45ec-96a9-68ac4ef8bf40 - - - - - -] 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.
2026-07-15 03:50:31.200 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 03:50:31.212 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 04:28:24.181 10 INFO nova.utils [None req-70bf170f-5bb7-480d-992d-d740ce8343f9 2beec9c6d7e24710ab29284d072d213a 604081a0e581461184afed199b5dc05e - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-15 04:28:24.370 10 INFO nova.compute.rpcapi [None req-4e0a6953-4bdc-44b1-9083-1d25aa1393c4 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 04:28:37.679 12 INFO nova.utils [None req-dba38490-11b6-4b7e-aef7-cd7fb540a9b8 d73369595ffa430781c3df67edc50f5e ebe2362975b8467e9643ded381341984 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-15 04:28:37.815 12 INFO nova.compute.rpcapi [None req-e9413ff7-7bf4-4a03-8c9c-e83f9f1ffd9f - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 04:28:41.000 10 ERROR nova.scheduler.utils [None req-70bf170f-5bb7-480d-992d-d740ce8343f9 2beec9c6d7e24710ab29284d072d213a 604081a0e581461184afed199b5dc05e - - default default] [instance: 87757c68-52eb-482c-9baa-adda6cf64484] 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 87757c68-52eb-482c-9baa-adda6cf64484 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:28:41.001 10 WARNING nova.scheduler.utils [None req-70bf170f-5bb7-480d-992d-d740ce8343f9 2beec9c6d7e24710ab29284d072d213a 604081a0e581461184afed199b5dc05e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 87757c68-52eb-482c-9baa-adda6cf64484.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 87757c68-52eb-482c-9baa-adda6cf64484.
2026-07-15 04:28:41.001 10 WARNING nova.scheduler.utils [None req-70bf170f-5bb7-480d-992d-d740ce8343f9 2beec9c6d7e24710ab29284d072d213a 604081a0e581461184afed199b5dc05e - - default default] [instance: 87757c68-52eb-482c-9baa-adda6cf64484] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 87757c68-52eb-482c-9baa-adda6cf64484.
2026-07-15 04:28:41.124 10 WARNING neutronclient.v2_0.client [None req-70bf170f-5bb7-480d-992d-d740ce8343f9 2beec9c6d7e24710ab29284d072d213a 604081a0e581461184afed199b5dc05e - - 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 87757c68-52eb-482c-9baa-adda6cf64484.
2026-07-15 04:28:41.506 10 WARNING neutronclient.v2_0.client [None req-70bf170f-5bb7-480d-992d-d740ce8343f9 2beec9c6d7e24710ab29284d072d213a 604081a0e581461184afed199b5dc05e - - 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 87757c68-52eb-482c-9baa-adda6cf64484.
2026-07-15 04:28:44.972 10 ERROR nova.scheduler.utils [None req-8b73d477-c1b3-401c-8009-472c41753d1c 6152c6d08c4142e482d7871596f1cd3c 1e00446829d843d2b179923da289a519 - - default default] [instance: 7628385a-4312-49fd-9e7c-9e67a8dc6508] 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 7628385a-4312-49fd-9e7c-9e67a8dc6508 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:28:44.974 10 WARNING nova.scheduler.utils [None req-8b73d477-c1b3-401c-8009-472c41753d1c 6152c6d08c4142e482d7871596f1cd3c 1e00446829d843d2b179923da289a519 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7628385a-4312-49fd-9e7c-9e67a8dc6508.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7628385a-4312-49fd-9e7c-9e67a8dc6508.
2026-07-15 04:28:44.974 10 WARNING nova.scheduler.utils [None req-8b73d477-c1b3-401c-8009-472c41753d1c 6152c6d08c4142e482d7871596f1cd3c 1e00446829d843d2b179923da289a519 - - default default] [instance: 7628385a-4312-49fd-9e7c-9e67a8dc6508] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7628385a-4312-49fd-9e7c-9e67a8dc6508.
2026-07-15 04:28:45.017 10 WARNING neutronclient.v2_0.client [None req-8b73d477-c1b3-401c-8009-472c41753d1c 6152c6d08c4142e482d7871596f1cd3c 1e00446829d843d2b179923da289a519 - - 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 7628385a-4312-49fd-9e7c-9e67a8dc6508.
2026-07-15 04:28:45.042 10 WARNING neutronclient.v2_0.client [None req-8b73d477-c1b3-401c-8009-472c41753d1c 6152c6d08c4142e482d7871596f1cd3c 1e00446829d843d2b179923da289a519 - - 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 7628385a-4312-49fd-9e7c-9e67a8dc6508.
2026-07-15 04:28:51.166 10 ERROR nova.scheduler.utils [None req-dba38490-11b6-4b7e-aef7-cd7fb540a9b8 d73369595ffa430781c3df67edc50f5e ebe2362975b8467e9643ded381341984 - - default default] [instance: fe040c38-b0df-4a77-ad72-4cfe737d84f9] 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 fe040c38-b0df-4a77-ad72-4cfe737d84f9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:28:51.167 10 WARNING nova.scheduler.utils [None req-dba38490-11b6-4b7e-aef7-cd7fb540a9b8 d73369595ffa430781c3df67edc50f5e ebe2362975b8467e9643ded381341984 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe040c38-b0df-4a77-ad72-4cfe737d84f9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe040c38-b0df-4a77-ad72-4cfe737d84f9.
2026-07-15 04:28:51.168 10 WARNING nova.scheduler.utils [None req-dba38490-11b6-4b7e-aef7-cd7fb540a9b8 d73369595ffa430781c3df67edc50f5e ebe2362975b8467e9643ded381341984 - - default default] [instance: fe040c38-b0df-4a77-ad72-4cfe737d84f9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe040c38-b0df-4a77-ad72-4cfe737d84f9.
2026-07-15 04:28:51.232 10 WARNING neutronclient.v2_0.client [None req-dba38490-11b6-4b7e-aef7-cd7fb540a9b8 d73369595ffa430781c3df67edc50f5e ebe2362975b8467e9643ded381341984 - - 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 fe040c38-b0df-4a77-ad72-4cfe737d84f9.
2026-07-15 04:28:51.265 10 WARNING neutronclient.v2_0.client [None req-dba38490-11b6-4b7e-aef7-cd7fb540a9b8 d73369595ffa430781c3df67edc50f5e ebe2362975b8467e9643ded381341984 - - 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 fe040c38-b0df-4a77-ad72-4cfe737d84f9.
2026-07-15 04:28:59.737 10 ERROR nova.scheduler.utils [None req-b4683ac8-0f55-410e-8bfa-fb28241c7161 62cf73796e904d91b08fe04bf2d02e91 f08968856d7c4ea0aadb2262ffc20c92 - - default default] [instance: 27108ab8-23b3-4852-8056-8a63a70ca0e6] 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 27108ab8-23b3-4852-8056-8a63a70ca0e6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:28:59.738 10 WARNING nova.scheduler.utils [None req-b4683ac8-0f55-410e-8bfa-fb28241c7161 62cf73796e904d91b08fe04bf2d02e91 f08968856d7c4ea0aadb2262ffc20c92 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27108ab8-23b3-4852-8056-8a63a70ca0e6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27108ab8-23b3-4852-8056-8a63a70ca0e6.
2026-07-15 04:28:59.738 10 WARNING nova.scheduler.utils [None req-b4683ac8-0f55-410e-8bfa-fb28241c7161 62cf73796e904d91b08fe04bf2d02e91 f08968856d7c4ea0aadb2262ffc20c92 - - default default] [instance: 27108ab8-23b3-4852-8056-8a63a70ca0e6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27108ab8-23b3-4852-8056-8a63a70ca0e6.
2026-07-15 04:28:59.794 10 WARNING neutronclient.v2_0.client [None req-b4683ac8-0f55-410e-8bfa-fb28241c7161 62cf73796e904d91b08fe04bf2d02e91 f08968856d7c4ea0aadb2262ffc20c92 - - 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 27108ab8-23b3-4852-8056-8a63a70ca0e6.
2026-07-15 04:28:59.822 10 WARNING neutronclient.v2_0.client [None req-b4683ac8-0f55-410e-8bfa-fb28241c7161 62cf73796e904d91b08fe04bf2d02e91 f08968856d7c4ea0aadb2262ffc20c92 - - 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 27108ab8-23b3-4852-8056-8a63a70ca0e6.
2026-07-15 04:29:12.162 10 ERROR nova.scheduler.utils [None req-4bc1bd06-8022-4e1f-82a3-f8ec1074b8db 514bea3d43b6498d9a187cb4766cd146 f007288cae72414488c1f01bbb60a8dc - - default default] [instance: e74e725c-1131-4538-9300-0a87afdd92ad] 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 e74e725c-1131-4538-9300-0a87afdd92ad was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:29:12.163 10 WARNING nova.scheduler.utils [None req-4bc1bd06-8022-4e1f-82a3-f8ec1074b8db 514bea3d43b6498d9a187cb4766cd146 f007288cae72414488c1f01bbb60a8dc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e74e725c-1131-4538-9300-0a87afdd92ad.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e74e725c-1131-4538-9300-0a87afdd92ad.
2026-07-15 04:29:12.163 10 WARNING nova.scheduler.utils [None req-4bc1bd06-8022-4e1f-82a3-f8ec1074b8db 514bea3d43b6498d9a187cb4766cd146 f007288cae72414488c1f01bbb60a8dc - - default default] [instance: e74e725c-1131-4538-9300-0a87afdd92ad] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e74e725c-1131-4538-9300-0a87afdd92ad.
2026-07-15 04:29:12.225 10 WARNING neutronclient.v2_0.client [None req-4bc1bd06-8022-4e1f-82a3-f8ec1074b8db 514bea3d43b6498d9a187cb4766cd146 f007288cae72414488c1f01bbb60a8dc - - 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 e74e725c-1131-4538-9300-0a87afdd92ad.
2026-07-15 04:29:12.255 10 WARNING neutronclient.v2_0.client [None req-4bc1bd06-8022-4e1f-82a3-f8ec1074b8db 514bea3d43b6498d9a187cb4766cd146 f007288cae72414488c1f01bbb60a8dc - - 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 e74e725c-1131-4538-9300-0a87afdd92ad.
2026-07-15 04:29:18.265 12 ERROR nova.scheduler.utils [None req-79517ba3-7e48-452b-8982-6b3ebf911ec9 2ca02db0855548c693d63b04fa462caf 20f2e3b1aade457e91d79038f3b48957 - - default default] [instance: 541896f3-28a0-49a7-961a-61298b9c6070] 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 541896f3-28a0-49a7-961a-61298b9c6070 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:29:18.267 12 WARNING nova.scheduler.utils [None req-79517ba3-7e48-452b-8982-6b3ebf911ec9 2ca02db0855548c693d63b04fa462caf 20f2e3b1aade457e91d79038f3b48957 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 541896f3-28a0-49a7-961a-61298b9c6070.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 541896f3-28a0-49a7-961a-61298b9c6070.
2026-07-15 04:29:18.267 12 WARNING nova.scheduler.utils [None req-79517ba3-7e48-452b-8982-6b3ebf911ec9 2ca02db0855548c693d63b04fa462caf 20f2e3b1aade457e91d79038f3b48957 - - default default] [instance: 541896f3-28a0-49a7-961a-61298b9c6070] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 541896f3-28a0-49a7-961a-61298b9c6070.
2026-07-15 04:29:18.356 12 WARNING neutronclient.v2_0.client [None req-79517ba3-7e48-452b-8982-6b3ebf911ec9 2ca02db0855548c693d63b04fa462caf 20f2e3b1aade457e91d79038f3b48957 - - 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 541896f3-28a0-49a7-961a-61298b9c6070.
2026-07-15 04:29:18.845 12 WARNING neutronclient.v2_0.client [None req-79517ba3-7e48-452b-8982-6b3ebf911ec9 2ca02db0855548c693d63b04fa462caf 20f2e3b1aade457e91d79038f3b48957 - - 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 541896f3-28a0-49a7-961a-61298b9c6070.
2026-07-15 04:30:20.906 12 ERROR nova.scheduler.utils [None req-3311266e-676d-4cea-ab5b-979f1472f546 957476d5d3584fa9829ed6874417468d 18500621fa3b4997bc0b06f8d722cfe9 - - default default] [instance: 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c] 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 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:30:20.907 12 WARNING nova.scheduler.utils [None req-3311266e-676d-4cea-ab5b-979f1472f546 957476d5d3584fa9829ed6874417468d 18500621fa3b4997bc0b06f8d722cfe9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c.
2026-07-15 04:30:20.908 12 WARNING nova.scheduler.utils [None req-3311266e-676d-4cea-ab5b-979f1472f546 957476d5d3584fa9829ed6874417468d 18500621fa3b4997bc0b06f8d722cfe9 - - default default] [instance: 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c.
2026-07-15 04:30:20.946 12 WARNING neutronclient.v2_0.client [None req-3311266e-676d-4cea-ab5b-979f1472f546 957476d5d3584fa9829ed6874417468d 18500621fa3b4997bc0b06f8d722cfe9 - - 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 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c.
2026-07-15 04:30:21.042 12 WARNING neutronclient.v2_0.client [None req-3311266e-676d-4cea-ab5b-979f1472f546 957476d5d3584fa9829ed6874417468d 18500621fa3b4997bc0b06f8d722cfe9 - - 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 253aa5a6-19f5-4ebb-a7d5-af66aa91ab0c.
2026-07-15 04:30:26.208 10 ERROR nova.scheduler.utils [None req-c27702b2-42a4-4e7d-899a-ddee57b32ddc 3eeb33b27c414aadb9088c8d296ad4a0 7d42a7a7537d4312a2cb0d9bc421c70f - - default default] [instance: 4f245043-369c-416e-9d20-3b70e5b3c03e] 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 4f245043-369c-416e-9d20-3b70e5b3c03e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:30:26.208 10 WARNING nova.scheduler.utils [None req-c27702b2-42a4-4e7d-899a-ddee57b32ddc 3eeb33b27c414aadb9088c8d296ad4a0 7d42a7a7537d4312a2cb0d9bc421c70f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f245043-369c-416e-9d20-3b70e5b3c03e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f245043-369c-416e-9d20-3b70e5b3c03e.
2026-07-15 04:30:26.214 10 WARNING nova.scheduler.utils [None req-c27702b2-42a4-4e7d-899a-ddee57b32ddc 3eeb33b27c414aadb9088c8d296ad4a0 7d42a7a7537d4312a2cb0d9bc421c70f - - default default] [instance: 4f245043-369c-416e-9d20-3b70e5b3c03e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f245043-369c-416e-9d20-3b70e5b3c03e.
2026-07-15 04:30:26.263 10 WARNING neutronclient.v2_0.client [None req-c27702b2-42a4-4e7d-899a-ddee57b32ddc 3eeb33b27c414aadb9088c8d296ad4a0 7d42a7a7537d4312a2cb0d9bc421c70f - - 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 4f245043-369c-416e-9d20-3b70e5b3c03e.
2026-07-15 04:30:26.337 10 WARNING neutronclient.v2_0.client [None req-c27702b2-42a4-4e7d-899a-ddee57b32ddc 3eeb33b27c414aadb9088c8d296ad4a0 7d42a7a7537d4312a2cb0d9bc421c70f - - 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 4f245043-369c-416e-9d20-3b70e5b3c03e.
2026-07-15 04:31:07.562 10 ERROR nova.scheduler.utils [None req-ea5938b7-909b-457a-b287-714537f8a46c 24d9d17face24c6c813dcf16da90828c 7ebdc7207ea94160b45580e110a792a1 - - default default] [instance: e1670637-572b-40d0-a437-7ae45abe0bbb] 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 e1670637-572b-40d0-a437-7ae45abe0bbb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:31:07.563 10 WARNING nova.scheduler.utils [None req-ea5938b7-909b-457a-b287-714537f8a46c 24d9d17face24c6c813dcf16da90828c 7ebdc7207ea94160b45580e110a792a1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e1670637-572b-40d0-a437-7ae45abe0bbb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e1670637-572b-40d0-a437-7ae45abe0bbb.
2026-07-15 04:31:07.564 10 WARNING nova.scheduler.utils [None req-ea5938b7-909b-457a-b287-714537f8a46c 24d9d17face24c6c813dcf16da90828c 7ebdc7207ea94160b45580e110a792a1 - - default default] [instance: e1670637-572b-40d0-a437-7ae45abe0bbb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e1670637-572b-40d0-a437-7ae45abe0bbb.
2026-07-15 04:31:07.605 10 WARNING neutronclient.v2_0.client [None req-ea5938b7-909b-457a-b287-714537f8a46c 24d9d17face24c6c813dcf16da90828c 7ebdc7207ea94160b45580e110a792a1 - - 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 e1670637-572b-40d0-a437-7ae45abe0bbb.
2026-07-15 04:31:07.632 10 WARNING neutronclient.v2_0.client [None req-ea5938b7-909b-457a-b287-714537f8a46c 24d9d17face24c6c813dcf16da90828c 7ebdc7207ea94160b45580e110a792a1 - - 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 e1670637-572b-40d0-a437-7ae45abe0bbb.
2026-07-15 04:32:19.381 10 ERROR nova.scheduler.utils [None req-a71151be-d115-4104-863d-e6e8589d6ec4 483cdc3a575e40ed891c216c38a612b7 08c01a0f7037455e8be80dd589b4cc3a - - default default] [instance: ea170a99-a76e-42e5-8311-a4b98aff6c7a] 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 ea170a99-a76e-42e5-8311-a4b98aff6c7a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:32:19.381 10 WARNING nova.scheduler.utils [None req-a71151be-d115-4104-863d-e6e8589d6ec4 483cdc3a575e40ed891c216c38a612b7 08c01a0f7037455e8be80dd589b4cc3a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ea170a99-a76e-42e5-8311-a4b98aff6c7a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ea170a99-a76e-42e5-8311-a4b98aff6c7a.
2026-07-15 04:32:19.382 10 WARNING nova.scheduler.utils [None req-a71151be-d115-4104-863d-e6e8589d6ec4 483cdc3a575e40ed891c216c38a612b7 08c01a0f7037455e8be80dd589b4cc3a - - default default] [instance: ea170a99-a76e-42e5-8311-a4b98aff6c7a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ea170a99-a76e-42e5-8311-a4b98aff6c7a.
2026-07-15 04:32:19.419 10 WARNING neutronclient.v2_0.client [None req-a71151be-d115-4104-863d-e6e8589d6ec4 483cdc3a575e40ed891c216c38a612b7 08c01a0f7037455e8be80dd589b4cc3a - - 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 ea170a99-a76e-42e5-8311-a4b98aff6c7a.
2026-07-15 04:32:19.445 10 WARNING neutronclient.v2_0.client [None req-a71151be-d115-4104-863d-e6e8589d6ec4 483cdc3a575e40ed891c216c38a612b7 08c01a0f7037455e8be80dd589b4cc3a - - 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 ea170a99-a76e-42e5-8311-a4b98aff6c7a.