+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-17 04:18:24.194 1 INFO nova.utils [None req-d8aab6b6-8892-4227-a6e9-36b78a8267be - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-17 04:18:24.352 1 INFO nova.utils [None req-d8aab6b6-8892-4227-a6e9-36b78a8267be - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-17 04:18:25.352 1 INFO nova.utils [None req-d8aab6b6-8892-4227-a6e9-36b78a8267be - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-17 04:18:25.356 1 WARNING oslo_service.backend._threading.service [None req-d8aab6b6-8892-4227-a6e9-36b78a8267be - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-17 04:18:25.367 1 WARNING oslo_config.cfg [None req-d8aab6b6-8892-4227-a6e9-36b78a8267be - - - - - -] 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. 2026-07-17 04:18:25.417 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-17 04:18:25.432 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-17 04:58:45.172 12 INFO nova.utils [None req-8f2e531c-5b04-4c6b-9dfd-c3ed13e5a8d9 dc69b179d02b4c74999d447784469701 f193a42c1aff4f5582e0bec3f2135498 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-17 04:58:45.377 12 INFO nova.compute.rpcapi [None req-615b2f52-3b5d-4d78-86ce-c50115c1f636 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-17 04:58:58.953 10 INFO nova.utils [None req-147a1568-d163-46d6-b9a2-e3e5460ea7d2 2738f620644c4eb6ac58da2cd05b90da 3d5f39c5b7544d57a07710e6582e6ad9 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-17 04:58:59.132 10 INFO nova.compute.rpcapi [None req-ce66395d-e2bc-4eac-a82d-9562eb092700 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-17 04:59:01.134 12 ERROR nova.scheduler.utils [None req-8f2e531c-5b04-4c6b-9dfd-c3ed13e5a8d9 dc69b179d02b4c74999d447784469701 f193a42c1aff4f5582e0bec3f2135498 - - default default] [instance: 76444791-9486-4d22-b173-9eabc8ae7603] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 76444791-9486-4d22-b173-9eabc8ae7603 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 04:59:01.135 12 WARNING nova.scheduler.utils [None req-8f2e531c-5b04-4c6b-9dfd-c3ed13e5a8d9 dc69b179d02b4c74999d447784469701 f193a42c1aff4f5582e0bec3f2135498 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 76444791-9486-4d22-b173-9eabc8ae7603.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 76444791-9486-4d22-b173-9eabc8ae7603. 2026-07-17 04:59:01.135 12 WARNING nova.scheduler.utils [None req-8f2e531c-5b04-4c6b-9dfd-c3ed13e5a8d9 dc69b179d02b4c74999d447784469701 f193a42c1aff4f5582e0bec3f2135498 - - default default] [instance: 76444791-9486-4d22-b173-9eabc8ae7603] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 76444791-9486-4d22-b173-9eabc8ae7603. 2026-07-17 04:59:01.236 12 WARNING neutronclient.v2_0.client [None req-8f2e531c-5b04-4c6b-9dfd-c3ed13e5a8d9 dc69b179d02b4c74999d447784469701 f193a42c1aff4f5582e0bec3f2135498 - - 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 76444791-9486-4d22-b173-9eabc8ae7603. 2026-07-17 04:59:01.616 12 WARNING neutronclient.v2_0.client [None req-8f2e531c-5b04-4c6b-9dfd-c3ed13e5a8d9 dc69b179d02b4c74999d447784469701 f193a42c1aff4f5582e0bec3f2135498 - - 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 76444791-9486-4d22-b173-9eabc8ae7603. 2026-07-17 04:59:13.886 12 ERROR nova.scheduler.utils [None req-147a1568-d163-46d6-b9a2-e3e5460ea7d2 2738f620644c4eb6ac58da2cd05b90da 3d5f39c5b7544d57a07710e6582e6ad9 - - default default] [instance: 4764e412-178a-4ce5-8751-0245283e2745] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 4764e412-178a-4ce5-8751-0245283e2745 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 04:59:13.888 12 WARNING nova.scheduler.utils [None req-147a1568-d163-46d6-b9a2-e3e5460ea7d2 2738f620644c4eb6ac58da2cd05b90da 3d5f39c5b7544d57a07710e6582e6ad9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4764e412-178a-4ce5-8751-0245283e2745.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4764e412-178a-4ce5-8751-0245283e2745. 2026-07-17 04:59:13.889 12 WARNING nova.scheduler.utils [None req-147a1568-d163-46d6-b9a2-e3e5460ea7d2 2738f620644c4eb6ac58da2cd05b90da 3d5f39c5b7544d57a07710e6582e6ad9 - - default default] [instance: 4764e412-178a-4ce5-8751-0245283e2745] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4764e412-178a-4ce5-8751-0245283e2745. 2026-07-17 04:59:13.958 12 WARNING neutronclient.v2_0.client [None req-147a1568-d163-46d6-b9a2-e3e5460ea7d2 2738f620644c4eb6ac58da2cd05b90da 3d5f39c5b7544d57a07710e6582e6ad9 - - 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 4764e412-178a-4ce5-8751-0245283e2745. 2026-07-17 04:59:13.987 12 WARNING neutronclient.v2_0.client [None req-147a1568-d163-46d6-b9a2-e3e5460ea7d2 2738f620644c4eb6ac58da2cd05b90da 3d5f39c5b7544d57a07710e6582e6ad9 - - 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 4764e412-178a-4ce5-8751-0245283e2745. 2026-07-17 04:59:15.448 12 ERROR nova.scheduler.utils [None req-77034a48-a5ca-479d-b739-8550d7293e3c 98939671b5334fa2922663a3d29c37ec e18459d7413146659736012251df5338 - - default default] [instance: 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 04:59:15.449 12 WARNING nova.scheduler.utils [None req-77034a48-a5ca-479d-b739-8550d7293e3c 98939671b5334fa2922663a3d29c37ec e18459d7413146659736012251df5338 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6. 2026-07-17 04:59:15.449 12 WARNING nova.scheduler.utils [None req-77034a48-a5ca-479d-b739-8550d7293e3c 98939671b5334fa2922663a3d29c37ec e18459d7413146659736012251df5338 - - default default] [instance: 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6. 2026-07-17 04:59:15.519 12 WARNING neutronclient.v2_0.client [None req-77034a48-a5ca-479d-b739-8550d7293e3c 98939671b5334fa2922663a3d29c37ec e18459d7413146659736012251df5338 - - 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 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6. 2026-07-17 04:59:15.553 12 WARNING neutronclient.v2_0.client [None req-77034a48-a5ca-479d-b739-8550d7293e3c 98939671b5334fa2922663a3d29c37ec e18459d7413146659736012251df5338 - - 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 9bc0c45c-64bd-48de-a0eb-e7870ecd07a6. 2026-07-17 04:59:17.079 12 ERROR nova.scheduler.utils [None req-630d94c4-fff4-4675-a435-fe426149bb00 0d3c189eadf34f0891ecc14b68e68fd4 07b92c1490a44f409e41224615f3cdde - - default default] [instance: 57e2773a-d404-495a-a74d-a8672387259d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 57e2773a-d404-495a-a74d-a8672387259d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 04:59:17.080 12 WARNING nova.scheduler.utils [None req-630d94c4-fff4-4675-a435-fe426149bb00 0d3c189eadf34f0891ecc14b68e68fd4 07b92c1490a44f409e41224615f3cdde - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57e2773a-d404-495a-a74d-a8672387259d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57e2773a-d404-495a-a74d-a8672387259d. 2026-07-17 04:59:17.084 12 WARNING nova.scheduler.utils [None req-630d94c4-fff4-4675-a435-fe426149bb00 0d3c189eadf34f0891ecc14b68e68fd4 07b92c1490a44f409e41224615f3cdde - - default default] [instance: 57e2773a-d404-495a-a74d-a8672387259d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57e2773a-d404-495a-a74d-a8672387259d. 2026-07-17 04:59:17.139 12 WARNING neutronclient.v2_0.client [None req-630d94c4-fff4-4675-a435-fe426149bb00 0d3c189eadf34f0891ecc14b68e68fd4 07b92c1490a44f409e41224615f3cdde - - 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 57e2773a-d404-495a-a74d-a8672387259d. 2026-07-17 04:59:17.295 12 WARNING neutronclient.v2_0.client [None req-630d94c4-fff4-4675-a435-fe426149bb00 0d3c189eadf34f0891ecc14b68e68fd4 07b92c1490a44f409e41224615f3cdde - - 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 57e2773a-d404-495a-a74d-a8672387259d. 2026-07-17 04:59:44.050 10 ERROR nova.scheduler.utils [None req-f42d4792-e8c0-46d6-9aee-c265a5a3056a 5aca67a4d45e48c79aae975ec5f37e82 e7002373ca2a4feeb2d9afbaf837a727 - - default default] [instance: f6e6efe2-77e6-4c7e-8071-293a9d758e59] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance f6e6efe2-77e6-4c7e-8071-293a9d758e59 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 04:59:44.052 10 WARNING nova.scheduler.utils [None req-f42d4792-e8c0-46d6-9aee-c265a5a3056a 5aca67a4d45e48c79aae975ec5f37e82 e7002373ca2a4feeb2d9afbaf837a727 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f6e6efe2-77e6-4c7e-8071-293a9d758e59.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f6e6efe2-77e6-4c7e-8071-293a9d758e59. 2026-07-17 04:59:44.052 10 WARNING nova.scheduler.utils [None req-f42d4792-e8c0-46d6-9aee-c265a5a3056a 5aca67a4d45e48c79aae975ec5f37e82 e7002373ca2a4feeb2d9afbaf837a727 - - default default] [instance: f6e6efe2-77e6-4c7e-8071-293a9d758e59] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f6e6efe2-77e6-4c7e-8071-293a9d758e59. 2026-07-17 04:59:44.134 10 WARNING neutronclient.v2_0.client [None req-f42d4792-e8c0-46d6-9aee-c265a5a3056a 5aca67a4d45e48c79aae975ec5f37e82 e7002373ca2a4feeb2d9afbaf837a727 - - 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 f6e6efe2-77e6-4c7e-8071-293a9d758e59. 2026-07-17 04:59:44.635 10 WARNING neutronclient.v2_0.client [None req-f42d4792-e8c0-46d6-9aee-c265a5a3056a 5aca67a4d45e48c79aae975ec5f37e82 e7002373ca2a4feeb2d9afbaf837a727 - - 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 f6e6efe2-77e6-4c7e-8071-293a9d758e59. 2026-07-17 04:59:46.096 10 ERROR nova.scheduler.utils [None req-8c8ad6c2-d131-4c22-904c-aee515dba596 ae27c6264d85448f987cbff139ae74ca 97cbc494922447f2baa10e5d51a9204b - - default default] [instance: d3018d61-fe60-46d7-b0dd-9eee5d5d9177] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d3018d61-fe60-46d7-b0dd-9eee5d5d9177 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 04:59:46.097 10 WARNING nova.scheduler.utils [None req-8c8ad6c2-d131-4c22-904c-aee515dba596 ae27c6264d85448f987cbff139ae74ca 97cbc494922447f2baa10e5d51a9204b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3018d61-fe60-46d7-b0dd-9eee5d5d9177.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3018d61-fe60-46d7-b0dd-9eee5d5d9177. 2026-07-17 04:59:46.097 10 WARNING nova.scheduler.utils [None req-8c8ad6c2-d131-4c22-904c-aee515dba596 ae27c6264d85448f987cbff139ae74ca 97cbc494922447f2baa10e5d51a9204b - - default default] [instance: d3018d61-fe60-46d7-b0dd-9eee5d5d9177] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3018d61-fe60-46d7-b0dd-9eee5d5d9177. 2026-07-17 04:59:46.168 10 WARNING neutronclient.v2_0.client [None req-8c8ad6c2-d131-4c22-904c-aee515dba596 ae27c6264d85448f987cbff139ae74ca 97cbc494922447f2baa10e5d51a9204b - - 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 d3018d61-fe60-46d7-b0dd-9eee5d5d9177. 2026-07-17 04:59:46.203 10 WARNING neutronclient.v2_0.client [None req-8c8ad6c2-d131-4c22-904c-aee515dba596 ae27c6264d85448f987cbff139ae74ca 97cbc494922447f2baa10e5d51a9204b - - 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 d3018d61-fe60-46d7-b0dd-9eee5d5d9177. 2026-07-17 05:01:22.975 10 ERROR nova.scheduler.utils [None req-06985cca-ef3f-45e5-9b36-7a5d509b31a6 d289cf1dc13e42988c68b0eaa915d538 f3e84b767fd44e638f2fa6d637557adb - - default default] [instance: 34382a1a-04ec-44ad-a2b2-c32f52954a3d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 34382a1a-04ec-44ad-a2b2-c32f52954a3d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 05:01:22.976 10 WARNING nova.scheduler.utils [None req-06985cca-ef3f-45e5-9b36-7a5d509b31a6 d289cf1dc13e42988c68b0eaa915d538 f3e84b767fd44e638f2fa6d637557adb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 34382a1a-04ec-44ad-a2b2-c32f52954a3d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 34382a1a-04ec-44ad-a2b2-c32f52954a3d. 2026-07-17 05:01:22.977 10 WARNING nova.scheduler.utils [None req-06985cca-ef3f-45e5-9b36-7a5d509b31a6 d289cf1dc13e42988c68b0eaa915d538 f3e84b767fd44e638f2fa6d637557adb - - default default] [instance: 34382a1a-04ec-44ad-a2b2-c32f52954a3d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 34382a1a-04ec-44ad-a2b2-c32f52954a3d. 2026-07-17 05:01:23.046 10 WARNING neutronclient.v2_0.client [None req-06985cca-ef3f-45e5-9b36-7a5d509b31a6 d289cf1dc13e42988c68b0eaa915d538 f3e84b767fd44e638f2fa6d637557adb - - 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 34382a1a-04ec-44ad-a2b2-c32f52954a3d. 2026-07-17 05:01:23.079 10 WARNING neutronclient.v2_0.client [None req-06985cca-ef3f-45e5-9b36-7a5d509b31a6 d289cf1dc13e42988c68b0eaa915d538 f3e84b767fd44e638f2fa6d637557adb - - 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 34382a1a-04ec-44ad-a2b2-c32f52954a3d. 2026-07-17 05:01:28.084 12 ERROR nova.scheduler.utils [None req-f69f898e-a76b-4e65-86cd-e9cf63ce2bb2 74e73a173b7448c490151fd13a3b9de5 16f2a73eed7d4a55a9f6739f55b697c9 - - default default] [instance: cd002936-2764-4499-af93-351981307252] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance cd002936-2764-4499-af93-351981307252 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 05:01:28.088 12 WARNING nova.scheduler.utils [None req-f69f898e-a76b-4e65-86cd-e9cf63ce2bb2 74e73a173b7448c490151fd13a3b9de5 16f2a73eed7d4a55a9f6739f55b697c9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cd002936-2764-4499-af93-351981307252.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cd002936-2764-4499-af93-351981307252. 2026-07-17 05:01:28.088 12 WARNING nova.scheduler.utils [None req-f69f898e-a76b-4e65-86cd-e9cf63ce2bb2 74e73a173b7448c490151fd13a3b9de5 16f2a73eed7d4a55a9f6739f55b697c9 - - default default] [instance: cd002936-2764-4499-af93-351981307252] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cd002936-2764-4499-af93-351981307252. 2026-07-17 05:01:28.138 12 WARNING neutronclient.v2_0.client [None req-f69f898e-a76b-4e65-86cd-e9cf63ce2bb2 74e73a173b7448c490151fd13a3b9de5 16f2a73eed7d4a55a9f6739f55b697c9 - - 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 cd002936-2764-4499-af93-351981307252. 2026-07-17 05:01:28.169 12 WARNING neutronclient.v2_0.client [None req-f69f898e-a76b-4e65-86cd-e9cf63ce2bb2 74e73a173b7448c490151fd13a3b9de5 16f2a73eed7d4a55a9f6739f55b697c9 - - 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 cd002936-2764-4499-af93-351981307252. 2026-07-17 05:01:56.559 12 ERROR nova.scheduler.utils [None req-3604f43b-3612-40ea-a9bd-70c2fcb64eac 5fcad5a767a146fab415191c454bede5 9576baaf1d7f4b119afd6934c2ef4511 - - default default] [instance: c33c4463-7d71-480e-b4fe-6dd15e9423b0] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c33c4463-7d71-480e-b4fe-6dd15e9423b0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 05:01:56.560 12 WARNING nova.scheduler.utils [None req-3604f43b-3612-40ea-a9bd-70c2fcb64eac 5fcad5a767a146fab415191c454bede5 9576baaf1d7f4b119afd6934c2ef4511 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c33c4463-7d71-480e-b4fe-6dd15e9423b0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c33c4463-7d71-480e-b4fe-6dd15e9423b0. 2026-07-17 05:01:56.561 12 WARNING nova.scheduler.utils [None req-3604f43b-3612-40ea-a9bd-70c2fcb64eac 5fcad5a767a146fab415191c454bede5 9576baaf1d7f4b119afd6934c2ef4511 - - default default] [instance: c33c4463-7d71-480e-b4fe-6dd15e9423b0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c33c4463-7d71-480e-b4fe-6dd15e9423b0. 2026-07-17 05:01:56.616 12 WARNING neutronclient.v2_0.client [None req-3604f43b-3612-40ea-a9bd-70c2fcb64eac 5fcad5a767a146fab415191c454bede5 9576baaf1d7f4b119afd6934c2ef4511 - - 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 c33c4463-7d71-480e-b4fe-6dd15e9423b0. 2026-07-17 05:01:56.642 12 WARNING neutronclient.v2_0.client [None req-3604f43b-3612-40ea-a9bd-70c2fcb64eac 5fcad5a767a146fab415191c454bede5 9576baaf1d7f4b119afd6934c2ef4511 - - 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 c33c4463-7d71-480e-b4fe-6dd15e9423b0. 2026-07-17 05:02:45.520 10 ERROR nova.scheduler.utils [None req-a9561fd6-13fe-4d17-b1ad-e5caa5c2990f 696f9b59faad4325b10ac6a3f2af3bf7 01b07d38d29a401d8a4e3361d730de44 - - default default] [instance: eaeccfc2-0dfa-4130-bf16-c54b4e54b988] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance eaeccfc2-0dfa-4130-bf16-c54b4e54b988 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 05:02:45.521 10 WARNING nova.scheduler.utils [None req-a9561fd6-13fe-4d17-b1ad-e5caa5c2990f 696f9b59faad4325b10ac6a3f2af3bf7 01b07d38d29a401d8a4e3361d730de44 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eaeccfc2-0dfa-4130-bf16-c54b4e54b988.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eaeccfc2-0dfa-4130-bf16-c54b4e54b988. 2026-07-17 05:02:45.521 10 WARNING nova.scheduler.utils [None req-a9561fd6-13fe-4d17-b1ad-e5caa5c2990f 696f9b59faad4325b10ac6a3f2af3bf7 01b07d38d29a401d8a4e3361d730de44 - - default default] [instance: eaeccfc2-0dfa-4130-bf16-c54b4e54b988] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eaeccfc2-0dfa-4130-bf16-c54b4e54b988. 2026-07-17 05:02:45.582 10 WARNING neutronclient.v2_0.client [None req-a9561fd6-13fe-4d17-b1ad-e5caa5c2990f 696f9b59faad4325b10ac6a3f2af3bf7 01b07d38d29a401d8a4e3361d730de44 - - 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 eaeccfc2-0dfa-4130-bf16-c54b4e54b988. 2026-07-17 05:02:45.610 10 WARNING neutronclient.v2_0.client [None req-a9561fd6-13fe-4d17-b1ad-e5caa5c2990f 696f9b59faad4325b10ac6a3f2af3bf7 01b07d38d29a401d8a4e3361d730de44 - - 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 eaeccfc2-0dfa-4130-bf16-c54b4e54b988.