+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-13 13:05:14.520 1 INFO nova.utils [None req-5962037c-c489-436c-930e-9bb832e85426 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-13 13:05:14.703 1 INFO nova.utils [None req-5962037c-c489-436c-930e-9bb832e85426 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-13 13:05:15.703 1 INFO nova.utils [None req-5962037c-c489-436c-930e-9bb832e85426 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-13 13:05:15.706 1 WARNING oslo_service.backend._threading.service [None req-5962037c-c489-436c-930e-9bb832e85426 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-13 13:05:15.714 1 WARNING oslo_config.cfg [None req-5962037c-c489-436c-930e-9bb832e85426 - - - - - -] 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 13:05:15.762 11 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-13 13:05:15.775 13 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-13 13:43:42.919 11 INFO nova.utils [None req-804b3d7a-c356-4900-8f41-94693e779724 f4369a4b197547a39015743aa0821cc6 114bfd0b445c4af28c65c4b28a07ffe5 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-13 13:43:43.104 11 INFO nova.compute.rpcapi [None req-27f85e27-d9b0-4d45-a61d-664c201daa1c - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-13 13:43:43.827 13 INFO nova.utils [None req-8e77aa29-9b43-4fb3-8079-0990e035b11a cdab4910a83b404b8b5bd57ebc550d4d 4f6b22537d1146c08116ce10d07a74e4 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-13 13:43:43.963 13 INFO nova.compute.rpcapi [None req-3e24e942-f903-4758-b54c-5fc8548e6f68 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-13 13:43:59.226 11 ERROR nova.scheduler.utils [None req-8e77aa29-9b43-4fb3-8079-0990e035b11a cdab4910a83b404b8b5bd57ebc550d4d 4f6b22537d1146c08116ce10d07a74e4 - - default default] [instance: b67bc35a-98c0-4d58-bbfd-731367fe77ba] 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 b67bc35a-98c0-4d58-bbfd-731367fe77ba was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:43:59.227 11 WARNING nova.scheduler.utils [None req-8e77aa29-9b43-4fb3-8079-0990e035b11a cdab4910a83b404b8b5bd57ebc550d4d 4f6b22537d1146c08116ce10d07a74e4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b67bc35a-98c0-4d58-bbfd-731367fe77ba.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b67bc35a-98c0-4d58-bbfd-731367fe77ba. 2026-07-13 13:43:59.227 11 WARNING nova.scheduler.utils [None req-8e77aa29-9b43-4fb3-8079-0990e035b11a cdab4910a83b404b8b5bd57ebc550d4d 4f6b22537d1146c08116ce10d07a74e4 - - default default] [instance: b67bc35a-98c0-4d58-bbfd-731367fe77ba] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b67bc35a-98c0-4d58-bbfd-731367fe77ba. 2026-07-13 13:43:59.349 11 WARNING neutronclient.v2_0.client [None req-8e77aa29-9b43-4fb3-8079-0990e035b11a cdab4910a83b404b8b5bd57ebc550d4d 4f6b22537d1146c08116ce10d07a74e4 - - 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 b67bc35a-98c0-4d58-bbfd-731367fe77ba. 2026-07-13 13:43:59.959 11 WARNING neutronclient.v2_0.client [None req-8e77aa29-9b43-4fb3-8079-0990e035b11a cdab4910a83b404b8b5bd57ebc550d4d 4f6b22537d1146c08116ce10d07a74e4 - - 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 b67bc35a-98c0-4d58-bbfd-731367fe77ba. 2026-07-13 13:44:00.729 13 ERROR nova.scheduler.utils [None req-804b3d7a-c356-4900-8f41-94693e779724 f4369a4b197547a39015743aa0821cc6 114bfd0b445c4af28c65c4b28a07ffe5 - - default default] [instance: 085ababb-89e1-4599-86c3-bdec92560ed3] 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 085ababb-89e1-4599-86c3-bdec92560ed3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:44:00.733 13 WARNING nova.scheduler.utils [None req-804b3d7a-c356-4900-8f41-94693e779724 f4369a4b197547a39015743aa0821cc6 114bfd0b445c4af28c65c4b28a07ffe5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 085ababb-89e1-4599-86c3-bdec92560ed3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 085ababb-89e1-4599-86c3-bdec92560ed3. 2026-07-13 13:44:00.733 13 WARNING nova.scheduler.utils [None req-804b3d7a-c356-4900-8f41-94693e779724 f4369a4b197547a39015743aa0821cc6 114bfd0b445c4af28c65c4b28a07ffe5 - - default default] [instance: 085ababb-89e1-4599-86c3-bdec92560ed3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 085ababb-89e1-4599-86c3-bdec92560ed3. 2026-07-13 13:44:00.830 13 WARNING neutronclient.v2_0.client [None req-804b3d7a-c356-4900-8f41-94693e779724 f4369a4b197547a39015743aa0821cc6 114bfd0b445c4af28c65c4b28a07ffe5 - - 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 085ababb-89e1-4599-86c3-bdec92560ed3. 2026-07-13 13:44:01.397 13 WARNING neutronclient.v2_0.client [None req-804b3d7a-c356-4900-8f41-94693e779724 f4369a4b197547a39015743aa0821cc6 114bfd0b445c4af28c65c4b28a07ffe5 - - 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 085ababb-89e1-4599-86c3-bdec92560ed3. 2026-07-13 13:44:14.195 11 ERROR nova.scheduler.utils [None req-05a6806f-b08d-4f4f-b341-c09cedbe0939 2e500fee9b184b34abe93fbcd7ab6d6c 7c08ff5939824a14a10f4625530e0552 - - default default] [instance: ab5130b1-1cee-40a8-a3a2-b30677698dac] 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 ab5130b1-1cee-40a8-a3a2-b30677698dac was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:44:14.196 11 WARNING nova.scheduler.utils [None req-05a6806f-b08d-4f4f-b341-c09cedbe0939 2e500fee9b184b34abe93fbcd7ab6d6c 7c08ff5939824a14a10f4625530e0552 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab5130b1-1cee-40a8-a3a2-b30677698dac.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab5130b1-1cee-40a8-a3a2-b30677698dac. 2026-07-13 13:44:14.196 11 WARNING nova.scheduler.utils [None req-05a6806f-b08d-4f4f-b341-c09cedbe0939 2e500fee9b184b34abe93fbcd7ab6d6c 7c08ff5939824a14a10f4625530e0552 - - default default] [instance: ab5130b1-1cee-40a8-a3a2-b30677698dac] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab5130b1-1cee-40a8-a3a2-b30677698dac. 2026-07-13 13:44:14.244 11 WARNING neutronclient.v2_0.client [None req-05a6806f-b08d-4f4f-b341-c09cedbe0939 2e500fee9b184b34abe93fbcd7ab6d6c 7c08ff5939824a14a10f4625530e0552 - - 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 ab5130b1-1cee-40a8-a3a2-b30677698dac. 2026-07-13 13:44:14.279 11 WARNING neutronclient.v2_0.client [None req-05a6806f-b08d-4f4f-b341-c09cedbe0939 2e500fee9b184b34abe93fbcd7ab6d6c 7c08ff5939824a14a10f4625530e0552 - - 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 ab5130b1-1cee-40a8-a3a2-b30677698dac. 2026-07-13 13:44:37.872 13 ERROR nova.scheduler.utils [None req-28a7acc9-e0e2-4de4-b2d4-1c1d43029eae 26aafeebd057439c8985dc03a1288a5c f72eda947a7e430c93a438551cd4c66d - - default default] [instance: 866c9f45-c5d7-48e5-a222-e091b0821209] 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 866c9f45-c5d7-48e5-a222-e091b0821209 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:44:37.873 13 WARNING nova.scheduler.utils [None req-28a7acc9-e0e2-4de4-b2d4-1c1d43029eae 26aafeebd057439c8985dc03a1288a5c f72eda947a7e430c93a438551cd4c66d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 866c9f45-c5d7-48e5-a222-e091b0821209.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 866c9f45-c5d7-48e5-a222-e091b0821209. 2026-07-13 13:44:37.873 13 WARNING nova.scheduler.utils [None req-28a7acc9-e0e2-4de4-b2d4-1c1d43029eae 26aafeebd057439c8985dc03a1288a5c f72eda947a7e430c93a438551cd4c66d - - default default] [instance: 866c9f45-c5d7-48e5-a222-e091b0821209] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 866c9f45-c5d7-48e5-a222-e091b0821209. 2026-07-13 13:44:37.914 13 WARNING neutronclient.v2_0.client [None req-28a7acc9-e0e2-4de4-b2d4-1c1d43029eae 26aafeebd057439c8985dc03a1288a5c f72eda947a7e430c93a438551cd4c66d - - 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 866c9f45-c5d7-48e5-a222-e091b0821209. 2026-07-13 13:44:37.942 13 WARNING neutronclient.v2_0.client [None req-28a7acc9-e0e2-4de4-b2d4-1c1d43029eae 26aafeebd057439c8985dc03a1288a5c f72eda947a7e430c93a438551cd4c66d - - 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 866c9f45-c5d7-48e5-a222-e091b0821209. 2026-07-13 13:44:44.816 13 ERROR nova.scheduler.utils [None req-b13efd7a-2add-4bd6-b98f-f429092b75a7 8faa5986e0334ce9a8e0b668f1821841 c910f429d9224831aa5ad56c83206e14 - - default default] [instance: 19ebdf8c-660c-4d48-ac87-79915e515791] 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 19ebdf8c-660c-4d48-ac87-79915e515791 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:44:44.818 13 WARNING nova.scheduler.utils [None req-b13efd7a-2add-4bd6-b98f-f429092b75a7 8faa5986e0334ce9a8e0b668f1821841 c910f429d9224831aa5ad56c83206e14 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19ebdf8c-660c-4d48-ac87-79915e515791.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19ebdf8c-660c-4d48-ac87-79915e515791. 2026-07-13 13:44:44.820 13 WARNING nova.scheduler.utils [None req-b13efd7a-2add-4bd6-b98f-f429092b75a7 8faa5986e0334ce9a8e0b668f1821841 c910f429d9224831aa5ad56c83206e14 - - default default] [instance: 19ebdf8c-660c-4d48-ac87-79915e515791] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19ebdf8c-660c-4d48-ac87-79915e515791. 2026-07-13 13:44:44.860 13 WARNING neutronclient.v2_0.client [None req-b13efd7a-2add-4bd6-b98f-f429092b75a7 8faa5986e0334ce9a8e0b668f1821841 c910f429d9224831aa5ad56c83206e14 - - 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 19ebdf8c-660c-4d48-ac87-79915e515791. 2026-07-13 13:44:45.146 13 WARNING neutronclient.v2_0.client [None req-b13efd7a-2add-4bd6-b98f-f429092b75a7 8faa5986e0334ce9a8e0b668f1821841 c910f429d9224831aa5ad56c83206e14 - - 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 19ebdf8c-660c-4d48-ac87-79915e515791. 2026-07-13 13:45:09.368 11 ERROR nova.scheduler.utils [None req-5721f1f7-3023-4899-a964-8e1cf99f6297 4935e7192ddc4ab89c397748f1f9ebd0 fe2b65a28b3b4721a5827f91999b89a2 - - default default] [instance: 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4] 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 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:45:09.370 11 WARNING nova.scheduler.utils [None req-5721f1f7-3023-4899-a964-8e1cf99f6297 4935e7192ddc4ab89c397748f1f9ebd0 fe2b65a28b3b4721a5827f91999b89a2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4. 2026-07-13 13:45:09.370 11 WARNING nova.scheduler.utils [None req-5721f1f7-3023-4899-a964-8e1cf99f6297 4935e7192ddc4ab89c397748f1f9ebd0 fe2b65a28b3b4721a5827f91999b89a2 - - default default] [instance: 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4. 2026-07-13 13:45:09.417 11 WARNING neutronclient.v2_0.client [None req-5721f1f7-3023-4899-a964-8e1cf99f6297 4935e7192ddc4ab89c397748f1f9ebd0 fe2b65a28b3b4721a5827f91999b89a2 - - 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 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4. 2026-07-13 13:45:09.512 11 WARNING neutronclient.v2_0.client [None req-5721f1f7-3023-4899-a964-8e1cf99f6297 4935e7192ddc4ab89c397748f1f9ebd0 fe2b65a28b3b4721a5827f91999b89a2 - - 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 2e2f6262-ae7b-42e9-9a1c-23b24cad7fb4. 2026-07-13 13:45:47.662 11 ERROR nova.scheduler.utils [None req-9dade52f-cd9f-420d-8045-71a8d797b531 a3990dc0acc5438c9f382810e5231bd0 4bf2a422b2a24f5abc2a3b9b0bb0ba85 - - default default] [instance: 2e37bb2d-af09-41a3-bc61-970d2e9cc879] 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 2e37bb2d-af09-41a3-bc61-970d2e9cc879 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:45:47.671 11 WARNING nova.scheduler.utils [None req-9dade52f-cd9f-420d-8045-71a8d797b531 a3990dc0acc5438c9f382810e5231bd0 4bf2a422b2a24f5abc2a3b9b0bb0ba85 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e37bb2d-af09-41a3-bc61-970d2e9cc879.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e37bb2d-af09-41a3-bc61-970d2e9cc879. 2026-07-13 13:45:47.671 11 WARNING nova.scheduler.utils [None req-9dade52f-cd9f-420d-8045-71a8d797b531 a3990dc0acc5438c9f382810e5231bd0 4bf2a422b2a24f5abc2a3b9b0bb0ba85 - - default default] [instance: 2e37bb2d-af09-41a3-bc61-970d2e9cc879] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e37bb2d-af09-41a3-bc61-970d2e9cc879. 2026-07-13 13:45:47.739 11 WARNING neutronclient.v2_0.client [None req-9dade52f-cd9f-420d-8045-71a8d797b531 a3990dc0acc5438c9f382810e5231bd0 4bf2a422b2a24f5abc2a3b9b0bb0ba85 - - 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 2e37bb2d-af09-41a3-bc61-970d2e9cc879. 2026-07-13 13:45:47.853 11 WARNING neutronclient.v2_0.client [None req-9dade52f-cd9f-420d-8045-71a8d797b531 a3990dc0acc5438c9f382810e5231bd0 4bf2a422b2a24f5abc2a3b9b0bb0ba85 - - 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 2e37bb2d-af09-41a3-bc61-970d2e9cc879. 2026-07-13 13:46:31.623 11 ERROR nova.scheduler.utils [None req-a6f3cf4d-4328-4337-afd0-99b27d961859 ce922557ee514a1ca4d9bc65c6dbf400 27bee4d7592d426c95a5faa3f59b1784 - - default default] [instance: d25fdf15-8f6f-42c4-82c8-6832507add57] 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 d25fdf15-8f6f-42c4-82c8-6832507add57 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:46:31.625 11 WARNING nova.scheduler.utils [None req-a6f3cf4d-4328-4337-afd0-99b27d961859 ce922557ee514a1ca4d9bc65c6dbf400 27bee4d7592d426c95a5faa3f59b1784 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d25fdf15-8f6f-42c4-82c8-6832507add57.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d25fdf15-8f6f-42c4-82c8-6832507add57. 2026-07-13 13:46:31.625 11 WARNING nova.scheduler.utils [None req-a6f3cf4d-4328-4337-afd0-99b27d961859 ce922557ee514a1ca4d9bc65c6dbf400 27bee4d7592d426c95a5faa3f59b1784 - - default default] [instance: d25fdf15-8f6f-42c4-82c8-6832507add57] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d25fdf15-8f6f-42c4-82c8-6832507add57. 2026-07-13 13:46:31.676 11 WARNING neutronclient.v2_0.client [None req-a6f3cf4d-4328-4337-afd0-99b27d961859 ce922557ee514a1ca4d9bc65c6dbf400 27bee4d7592d426c95a5faa3f59b1784 - - 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 d25fdf15-8f6f-42c4-82c8-6832507add57. 2026-07-13 13:46:31.879 11 WARNING neutronclient.v2_0.client [None req-a6f3cf4d-4328-4337-afd0-99b27d961859 ce922557ee514a1ca4d9bc65c6dbf400 27bee4d7592d426c95a5faa3f59b1784 - - 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 d25fdf15-8f6f-42c4-82c8-6832507add57. 2026-07-13 13:47:11.759 11 ERROR nova.scheduler.utils [None req-5549574b-297a-4cc1-b7d0-452d8ae10507 cdea062a011c4a4c92956cf484884098 d13ac40201ec453a93f1607a778d2c05 - - default default] [instance: 7374f45d-3f66-473f-9c34-7a5afa8a8d93] 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 7374f45d-3f66-473f-9c34-7a5afa8a8d93 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:47:11.760 11 WARNING nova.scheduler.utils [None req-5549574b-297a-4cc1-b7d0-452d8ae10507 cdea062a011c4a4c92956cf484884098 d13ac40201ec453a93f1607a778d2c05 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7374f45d-3f66-473f-9c34-7a5afa8a8d93.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7374f45d-3f66-473f-9c34-7a5afa8a8d93. 2026-07-13 13:47:11.761 11 WARNING nova.scheduler.utils [None req-5549574b-297a-4cc1-b7d0-452d8ae10507 cdea062a011c4a4c92956cf484884098 d13ac40201ec453a93f1607a778d2c05 - - default default] [instance: 7374f45d-3f66-473f-9c34-7a5afa8a8d93] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7374f45d-3f66-473f-9c34-7a5afa8a8d93. 2026-07-13 13:47:11.805 11 WARNING neutronclient.v2_0.client [None req-5549574b-297a-4cc1-b7d0-452d8ae10507 cdea062a011c4a4c92956cf484884098 d13ac40201ec453a93f1607a778d2c05 - - 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 7374f45d-3f66-473f-9c34-7a5afa8a8d93. 2026-07-13 13:47:11.843 11 WARNING neutronclient.v2_0.client [None req-5549574b-297a-4cc1-b7d0-452d8ae10507 cdea062a011c4a4c92956cf484884098 d13ac40201ec453a93f1607a778d2c05 - - 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 7374f45d-3f66-473f-9c34-7a5afa8a8d93. 2026-07-13 13:48:35.918 13 ERROR nova.scheduler.utils [None req-4e1e3bf5-8c40-45db-b237-20975dc528d7 4c781b2c28f44555815357354151d949 24e1907488974255973714005658c25e - - default default] [instance: 57ef5cad-c7f7-4b80-a155-bfbfcb43136a] 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 57ef5cad-c7f7-4b80-a155-bfbfcb43136a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 13:48:35.919 13 WARNING nova.scheduler.utils [None req-4e1e3bf5-8c40-45db-b237-20975dc528d7 4c781b2c28f44555815357354151d949 24e1907488974255973714005658c25e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57ef5cad-c7f7-4b80-a155-bfbfcb43136a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57ef5cad-c7f7-4b80-a155-bfbfcb43136a. 2026-07-13 13:48:35.919 13 WARNING nova.scheduler.utils [None req-4e1e3bf5-8c40-45db-b237-20975dc528d7 4c781b2c28f44555815357354151d949 24e1907488974255973714005658c25e - - default default] [instance: 57ef5cad-c7f7-4b80-a155-bfbfcb43136a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57ef5cad-c7f7-4b80-a155-bfbfcb43136a. 2026-07-13 13:48:35.981 13 WARNING neutronclient.v2_0.client [None req-4e1e3bf5-8c40-45db-b237-20975dc528d7 4c781b2c28f44555815357354151d949 24e1907488974255973714005658c25e - - 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 57ef5cad-c7f7-4b80-a155-bfbfcb43136a. 2026-07-13 13:48:36.013 13 WARNING neutronclient.v2_0.client [None req-4e1e3bf5-8c40-45db-b237-20975dc528d7 4c781b2c28f44555815357354151d949 24e1907488974255973714005658c25e - - 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 57ef5cad-c7f7-4b80-a155-bfbfcb43136a.