+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-13 13:05:21.853 1 INFO nova.utils [None req-67726677-a7f3-47ff-b92e-1ef0f46d4f0c - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-13 13:05:22.037 1 INFO nova.utils [None req-67726677-a7f3-47ff-b92e-1ef0f46d4f0c - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-13 13:05:23.036 1 INFO nova.utils [None req-67726677-a7f3-47ff-b92e-1ef0f46d4f0c - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-13 13:05:23.039 1 WARNING oslo_service.backend._threading.service [None req-67726677-a7f3-47ff-b92e-1ef0f46d4f0c - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-13 13:05:23.048 1 WARNING oslo_config.cfg [None req-67726677-a7f3-47ff-b92e-1ef0f46d4f0c - - - - - -] 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. 2026-07-13 13:05:23.096 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-13 13:05:23.110 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-13 13:46:02.118 12 INFO nova.utils [None req-12c4755a-b0cb-4af4-bd24-08458c2b156d 3e5b819aa30b4dccac2dfdfdb73526b9 a747e352eb95448e8f1d852c0fba8790 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-13 13:46:02.318 12 INFO nova.compute.rpcapi [None req-4b617895-3c39-4913-b9e2-d9006a323bbe - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-13 13:46:13.496 10 INFO nova.utils [None req-2b421906-c07d-4738-b916-c582337f360f c4fa689c8dea4496badcce6d8e488500 a86d4e9eee564671b182da6b120a75b5 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-13 13:46:13.698 10 INFO nova.compute.rpcapi [None req-10182fb7-387b-4f92-84f5-2d94aaca206d - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-13 13:46:18.198 12 ERROR nova.scheduler.utils [None req-12c4755a-b0cb-4af4-bd24-08458c2b156d 3e5b819aa30b4dccac2dfdfdb73526b9 a747e352eb95448e8f1d852c0fba8790 - - default default] [instance: 0f0ada23-57aa-4c2b-bc22-06501409101a] 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 0f0ada23-57aa-4c2b-bc22-06501409101a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:46:18.199 12 WARNING nova.scheduler.utils [None req-12c4755a-b0cb-4af4-bd24-08458c2b156d 3e5b819aa30b4dccac2dfdfdb73526b9 a747e352eb95448e8f1d852c0fba8790 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0f0ada23-57aa-4c2b-bc22-06501409101a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0f0ada23-57aa-4c2b-bc22-06501409101a. 2026-07-13 13:46:18.199 12 WARNING nova.scheduler.utils [None req-12c4755a-b0cb-4af4-bd24-08458c2b156d 3e5b819aa30b4dccac2dfdfdb73526b9 a747e352eb95448e8f1d852c0fba8790 - - default default] [instance: 0f0ada23-57aa-4c2b-bc22-06501409101a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0f0ada23-57aa-4c2b-bc22-06501409101a. 2026-07-13 13:46:18.319 12 WARNING neutronclient.v2_0.client [None req-12c4755a-b0cb-4af4-bd24-08458c2b156d 3e5b819aa30b4dccac2dfdfdb73526b9 a747e352eb95448e8f1d852c0fba8790 - - 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 0f0ada23-57aa-4c2b-bc22-06501409101a. 2026-07-13 13:46:18.829 12 WARNING neutronclient.v2_0.client [None req-12c4755a-b0cb-4af4-bd24-08458c2b156d 3e5b819aa30b4dccac2dfdfdb73526b9 a747e352eb95448e8f1d852c0fba8790 - - 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 0f0ada23-57aa-4c2b-bc22-06501409101a. 2026-07-13 13:46:30.189 10 ERROR nova.scheduler.utils [None req-66a3d878-0fc5-481c-ab94-62ee61653bc9 436499617c1d4a03bc2abb634ede0d17 dd2827eef46f425dba5f1b63a6e3ac1d - - default default] [instance: 6efc908e-c9a3-46dc-864b-16b4e89ddbb1] 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 6efc908e-c9a3-46dc-864b-16b4e89ddbb1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:46:30.190 10 WARNING nova.scheduler.utils [None req-66a3d878-0fc5-481c-ab94-62ee61653bc9 436499617c1d4a03bc2abb634ede0d17 dd2827eef46f425dba5f1b63a6e3ac1d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6efc908e-c9a3-46dc-864b-16b4e89ddbb1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6efc908e-c9a3-46dc-864b-16b4e89ddbb1. 2026-07-13 13:46:30.190 10 WARNING nova.scheduler.utils [None req-66a3d878-0fc5-481c-ab94-62ee61653bc9 436499617c1d4a03bc2abb634ede0d17 dd2827eef46f425dba5f1b63a6e3ac1d - - default default] [instance: 6efc908e-c9a3-46dc-864b-16b4e89ddbb1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6efc908e-c9a3-46dc-864b-16b4e89ddbb1. 2026-07-13 13:46:30.307 10 WARNING neutronclient.v2_0.client [None req-66a3d878-0fc5-481c-ab94-62ee61653bc9 436499617c1d4a03bc2abb634ede0d17 dd2827eef46f425dba5f1b63a6e3ac1d - - 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 6efc908e-c9a3-46dc-864b-16b4e89ddbb1. 2026-07-13 13:46:30.805 10 WARNING neutronclient.v2_0.client [None req-66a3d878-0fc5-481c-ab94-62ee61653bc9 436499617c1d4a03bc2abb634ede0d17 dd2827eef46f425dba5f1b63a6e3ac1d - - 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 6efc908e-c9a3-46dc-864b-16b4e89ddbb1. 2026-07-13 13:46:32.637 12 ERROR nova.scheduler.utils [None req-2b421906-c07d-4738-b916-c582337f360f c4fa689c8dea4496badcce6d8e488500 a86d4e9eee564671b182da6b120a75b5 - - default default] [instance: 9e133580-3b48-4cbc-aa6d-f14ff3067ac0] 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 9e133580-3b48-4cbc-aa6d-f14ff3067ac0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:46:32.638 12 WARNING nova.scheduler.utils [None req-2b421906-c07d-4738-b916-c582337f360f c4fa689c8dea4496badcce6d8e488500 a86d4e9eee564671b182da6b120a75b5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e133580-3b48-4cbc-aa6d-f14ff3067ac0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e133580-3b48-4cbc-aa6d-f14ff3067ac0. 2026-07-13 13:46:32.639 12 WARNING nova.scheduler.utils [None req-2b421906-c07d-4738-b916-c582337f360f c4fa689c8dea4496badcce6d8e488500 a86d4e9eee564671b182da6b120a75b5 - - default default] [instance: 9e133580-3b48-4cbc-aa6d-f14ff3067ac0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e133580-3b48-4cbc-aa6d-f14ff3067ac0. 2026-07-13 13:46:32.685 12 WARNING neutronclient.v2_0.client [None req-2b421906-c07d-4738-b916-c582337f360f c4fa689c8dea4496badcce6d8e488500 a86d4e9eee564671b182da6b120a75b5 - - 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 9e133580-3b48-4cbc-aa6d-f14ff3067ac0. 2026-07-13 13:46:33.031 12 WARNING neutronclient.v2_0.client [None req-2b421906-c07d-4738-b916-c582337f360f c4fa689c8dea4496badcce6d8e488500 a86d4e9eee564671b182da6b120a75b5 - - 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 9e133580-3b48-4cbc-aa6d-f14ff3067ac0. 2026-07-13 13:46:50.893 10 ERROR nova.scheduler.utils [None req-a24a69c9-f46c-4f1a-8b41-504a4548f161 f94ca67249cc4e3993928db8213ed252 019cb42669b74d9dad18801f0f42cdb5 - - default default] [instance: 8f456e75-ab60-408f-b438-74607217c69a] 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 8f456e75-ab60-408f-b438-74607217c69a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:46:50.894 10 WARNING nova.scheduler.utils [None req-a24a69c9-f46c-4f1a-8b41-504a4548f161 f94ca67249cc4e3993928db8213ed252 019cb42669b74d9dad18801f0f42cdb5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8f456e75-ab60-408f-b438-74607217c69a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8f456e75-ab60-408f-b438-74607217c69a. 2026-07-13 13:46:50.894 10 WARNING nova.scheduler.utils [None req-a24a69c9-f46c-4f1a-8b41-504a4548f161 f94ca67249cc4e3993928db8213ed252 019cb42669b74d9dad18801f0f42cdb5 - - default default] [instance: 8f456e75-ab60-408f-b438-74607217c69a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8f456e75-ab60-408f-b438-74607217c69a. 2026-07-13 13:46:50.937 10 WARNING neutronclient.v2_0.client [None req-a24a69c9-f46c-4f1a-8b41-504a4548f161 f94ca67249cc4e3993928db8213ed252 019cb42669b74d9dad18801f0f42cdb5 - - 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 8f456e75-ab60-408f-b438-74607217c69a. 2026-07-13 13:46:50.969 10 WARNING neutronclient.v2_0.client [None req-a24a69c9-f46c-4f1a-8b41-504a4548f161 f94ca67249cc4e3993928db8213ed252 019cb42669b74d9dad18801f0f42cdb5 - - 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 8f456e75-ab60-408f-b438-74607217c69a. 2026-07-13 13:47:02.355 10 ERROR nova.scheduler.utils [None req-8a086dfa-7218-494a-9fb3-42a2eba301cf de5796a659954e29a6ae09a760bbda8a 9885bd8edd424345ac972e6847256bcd - - default default] [instance: 2e52d7c1-6259-4e71-8189-70195fe194df] 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 2e52d7c1-6259-4e71-8189-70195fe194df was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:47:02.356 10 WARNING nova.scheduler.utils [None req-8a086dfa-7218-494a-9fb3-42a2eba301cf de5796a659954e29a6ae09a760bbda8a 9885bd8edd424345ac972e6847256bcd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e52d7c1-6259-4e71-8189-70195fe194df.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e52d7c1-6259-4e71-8189-70195fe194df. 2026-07-13 13:47:02.356 10 WARNING nova.scheduler.utils [None req-8a086dfa-7218-494a-9fb3-42a2eba301cf de5796a659954e29a6ae09a760bbda8a 9885bd8edd424345ac972e6847256bcd - - default default] [instance: 2e52d7c1-6259-4e71-8189-70195fe194df] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e52d7c1-6259-4e71-8189-70195fe194df. 2026-07-13 13:47:02.402 10 WARNING neutronclient.v2_0.client [None req-8a086dfa-7218-494a-9fb3-42a2eba301cf de5796a659954e29a6ae09a760bbda8a 9885bd8edd424345ac972e6847256bcd - - 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 2e52d7c1-6259-4e71-8189-70195fe194df. 2026-07-13 13:47:02.444 10 WARNING neutronclient.v2_0.client [None req-8a086dfa-7218-494a-9fb3-42a2eba301cf de5796a659954e29a6ae09a760bbda8a 9885bd8edd424345ac972e6847256bcd - - 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 2e52d7c1-6259-4e71-8189-70195fe194df. 2026-07-13 13:47:17.349 10 ERROR nova.scheduler.utils [None req-2db4f41e-1f6e-4f88-88bd-2e0872e6c545 798505ed0e2442a18391f225925467c3 324ba353d495484b86e1f1c6daf0a319 - - default default] [instance: be5e4a59-8ff4-4697-be91-a7fb0ebcebcd] 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 be5e4a59-8ff4-4697-be91-a7fb0ebcebcd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:47:17.350 10 WARNING nova.scheduler.utils [None req-2db4f41e-1f6e-4f88-88bd-2e0872e6c545 798505ed0e2442a18391f225925467c3 324ba353d495484b86e1f1c6daf0a319 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance be5e4a59-8ff4-4697-be91-a7fb0ebcebcd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance be5e4a59-8ff4-4697-be91-a7fb0ebcebcd. 2026-07-13 13:47:17.351 10 WARNING nova.scheduler.utils [None req-2db4f41e-1f6e-4f88-88bd-2e0872e6c545 798505ed0e2442a18391f225925467c3 324ba353d495484b86e1f1c6daf0a319 - - default default] [instance: be5e4a59-8ff4-4697-be91-a7fb0ebcebcd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance be5e4a59-8ff4-4697-be91-a7fb0ebcebcd. 2026-07-13 13:47:17.427 10 WARNING neutronclient.v2_0.client [None req-2db4f41e-1f6e-4f88-88bd-2e0872e6c545 798505ed0e2442a18391f225925467c3 324ba353d495484b86e1f1c6daf0a319 - - 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 be5e4a59-8ff4-4697-be91-a7fb0ebcebcd. 2026-07-13 13:47:17.584 10 WARNING neutronclient.v2_0.client [None req-2db4f41e-1f6e-4f88-88bd-2e0872e6c545 798505ed0e2442a18391f225925467c3 324ba353d495484b86e1f1c6daf0a319 - - 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 be5e4a59-8ff4-4697-be91-a7fb0ebcebcd. 2026-07-13 13:48:16.049 12 ERROR nova.scheduler.utils [None req-7c95909e-60ad-4ae2-b46a-b13292e292a7 f96f1b4aa0f94a468868bef46d80835a b6ad7d2c25c84966bdb0b290f8076bfe - - default default] [instance: cc26dcae-4ecf-4e08-85c6-2dee6a29efd0] 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 cc26dcae-4ecf-4e08-85c6-2dee6a29efd0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:48:16.051 12 WARNING nova.scheduler.utils [None req-7c95909e-60ad-4ae2-b46a-b13292e292a7 f96f1b4aa0f94a468868bef46d80835a b6ad7d2c25c84966bdb0b290f8076bfe - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cc26dcae-4ecf-4e08-85c6-2dee6a29efd0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cc26dcae-4ecf-4e08-85c6-2dee6a29efd0. 2026-07-13 13:48:16.051 12 WARNING nova.scheduler.utils [None req-7c95909e-60ad-4ae2-b46a-b13292e292a7 f96f1b4aa0f94a468868bef46d80835a b6ad7d2c25c84966bdb0b290f8076bfe - - default default] [instance: cc26dcae-4ecf-4e08-85c6-2dee6a29efd0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cc26dcae-4ecf-4e08-85c6-2dee6a29efd0. 2026-07-13 13:48:16.124 12 WARNING neutronclient.v2_0.client [None req-7c95909e-60ad-4ae2-b46a-b13292e292a7 f96f1b4aa0f94a468868bef46d80835a b6ad7d2c25c84966bdb0b290f8076bfe - - 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 cc26dcae-4ecf-4e08-85c6-2dee6a29efd0. 2026-07-13 13:48:16.161 12 WARNING neutronclient.v2_0.client [None req-7c95909e-60ad-4ae2-b46a-b13292e292a7 f96f1b4aa0f94a468868bef46d80835a b6ad7d2c25c84966bdb0b290f8076bfe - - 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 cc26dcae-4ecf-4e08-85c6-2dee6a29efd0. 2026-07-13 13:48:21.610 10 ERROR nova.scheduler.utils [None req-501ec390-65d8-4f6a-84a4-08ae269a84ad 256f8e09175c4496b073df81f4424bb4 6bcaf199e7f542909d12a87c0f808e6b - - default default] [instance: b53b173b-3d2a-4db7-bc5d-26afce776dc1] 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 b53b173b-3d2a-4db7-bc5d-26afce776dc1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:48:21.611 10 WARNING nova.scheduler.utils [None req-501ec390-65d8-4f6a-84a4-08ae269a84ad 256f8e09175c4496b073df81f4424bb4 6bcaf199e7f542909d12a87c0f808e6b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b53b173b-3d2a-4db7-bc5d-26afce776dc1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b53b173b-3d2a-4db7-bc5d-26afce776dc1. 2026-07-13 13:48:21.611 10 WARNING nova.scheduler.utils [None req-501ec390-65d8-4f6a-84a4-08ae269a84ad 256f8e09175c4496b073df81f4424bb4 6bcaf199e7f542909d12a87c0f808e6b - - default default] [instance: b53b173b-3d2a-4db7-bc5d-26afce776dc1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b53b173b-3d2a-4db7-bc5d-26afce776dc1. 2026-07-13 13:48:21.664 10 WARNING neutronclient.v2_0.client [None req-501ec390-65d8-4f6a-84a4-08ae269a84ad 256f8e09175c4496b073df81f4424bb4 6bcaf199e7f542909d12a87c0f808e6b - - 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 b53b173b-3d2a-4db7-bc5d-26afce776dc1. 2026-07-13 13:48:21.696 10 WARNING neutronclient.v2_0.client [None req-501ec390-65d8-4f6a-84a4-08ae269a84ad 256f8e09175c4496b073df81f4424bb4 6bcaf199e7f542909d12a87c0f808e6b - - 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 b53b173b-3d2a-4db7-bc5d-26afce776dc1. 2026-07-13 13:48:50.683 12 ERROR nova.scheduler.utils [None req-cbdbd4a3-e0c2-42dc-b236-c1e8fcc82e79 4f29411544bf424bb3b4d6b934c65058 2d589fdc306d43998ee41bd5f1598de6 - - default default] [instance: 24da8552-eab2-4485-8ac3-7afc98a29c5d] 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 24da8552-eab2-4485-8ac3-7afc98a29c5d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:48:50.684 12 WARNING nova.scheduler.utils [None req-cbdbd4a3-e0c2-42dc-b236-c1e8fcc82e79 4f29411544bf424bb3b4d6b934c65058 2d589fdc306d43998ee41bd5f1598de6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 24da8552-eab2-4485-8ac3-7afc98a29c5d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 24da8552-eab2-4485-8ac3-7afc98a29c5d. 2026-07-13 13:48:50.685 12 WARNING nova.scheduler.utils [None req-cbdbd4a3-e0c2-42dc-b236-c1e8fcc82e79 4f29411544bf424bb3b4d6b934c65058 2d589fdc306d43998ee41bd5f1598de6 - - default default] [instance: 24da8552-eab2-4485-8ac3-7afc98a29c5d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 24da8552-eab2-4485-8ac3-7afc98a29c5d. 2026-07-13 13:48:50.910 12 WARNING neutronclient.v2_0.client [None req-cbdbd4a3-e0c2-42dc-b236-c1e8fcc82e79 4f29411544bf424bb3b4d6b934c65058 2d589fdc306d43998ee41bd5f1598de6 - - 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 24da8552-eab2-4485-8ac3-7afc98a29c5d. 2026-07-13 13:48:50.932 12 WARNING neutronclient.v2_0.client [None req-cbdbd4a3-e0c2-42dc-b236-c1e8fcc82e79 4f29411544bf424bb3b4d6b934c65058 2d589fdc306d43998ee41bd5f1598de6 - - 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 24da8552-eab2-4485-8ac3-7afc98a29c5d. 2026-07-13 13:50:46.779 10 ERROR nova.scheduler.utils [None req-a7ae8f30-851e-4d98-8307-75b960587672 acc0f488c5264c67be5f954838b8d12e 56d1b05fb28f448b80384f302377ff22 - - default default] [instance: c2496f5c-a818-4323-ba59-9094a62a1246] 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 c2496f5c-a818-4323-ba59-9094a62a1246 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:50:46.781 10 WARNING nova.scheduler.utils [None req-a7ae8f30-851e-4d98-8307-75b960587672 acc0f488c5264c67be5f954838b8d12e 56d1b05fb28f448b80384f302377ff22 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2496f5c-a818-4323-ba59-9094a62a1246.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2496f5c-a818-4323-ba59-9094a62a1246. 2026-07-13 13:50:46.781 10 WARNING nova.scheduler.utils [None req-a7ae8f30-851e-4d98-8307-75b960587672 acc0f488c5264c67be5f954838b8d12e 56d1b05fb28f448b80384f302377ff22 - - default default] [instance: c2496f5c-a818-4323-ba59-9094a62a1246] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2496f5c-a818-4323-ba59-9094a62a1246. 2026-07-13 13:50:46.828 10 WARNING neutronclient.v2_0.client [None req-a7ae8f30-851e-4d98-8307-75b960587672 acc0f488c5264c67be5f954838b8d12e 56d1b05fb28f448b80384f302377ff22 - - 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 c2496f5c-a818-4323-ba59-9094a62a1246. 2026-07-13 13:50:46.863 10 WARNING neutronclient.v2_0.client [None req-a7ae8f30-851e-4d98-8307-75b960587672 acc0f488c5264c67be5f954838b8d12e 56d1b05fb28f448b80384f302377ff22 - - 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 c2496f5c-a818-4323-ba59-9094a62a1246.