+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-17 18:45:37.968 1 INFO nova.utils [None req-32aa2eb2-9a10-4447-b06d-84c85e3703c3 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-17 18:45:38.136 1 INFO nova.utils [None req-32aa2eb2-9a10-4447-b06d-84c85e3703c3 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-17 18:45:39.136 1 INFO nova.utils [None req-32aa2eb2-9a10-4447-b06d-84c85e3703c3 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-17 18:45:39.139 1 WARNING oslo_service.backend._threading.service [None req-32aa2eb2-9a10-4447-b06d-84c85e3703c3 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-17 18:45:39.148 1 WARNING oslo_config.cfg [None req-32aa2eb2-9a10-4447-b06d-84c85e3703c3 - - - - - -] 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 18:45:39.198 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 18:45:39.210 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 19:33:23.059 10 INFO nova.utils [None req-38866a75-a763-4af4-8272-dd062cb6a38a c0558398d3fa4b72bdc79dba3f2bb6dc bd9edd8a722947eda7db40bad60710dd - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-17 19:33:23.147 12 INFO nova.utils [None req-47f04c22-75c6-4094-b195-44043533cfcb cab6bf6cc8fe4c318afbdf64e77d7c9a 020ffda4b5b5419ea83ce997ab8fd198 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-17 19:33:23.230 10 INFO nova.compute.rpcapi [None req-c8550b91-c09b-4cc4-bdfb-902b9e306542 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 19:33:23.318 12 INFO nova.compute.rpcapi [None req-e4c67fca-433b-4a4b-b5dd-3fa5b4b0eb16 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 19:33:39.133 10 ERROR nova.scheduler.utils [None req-38866a75-a763-4af4-8272-dd062cb6a38a c0558398d3fa4b72bdc79dba3f2bb6dc bd9edd8a722947eda7db40bad60710dd - - default default] [instance: a947138a-6079-4ef0-8f12-412a92975c00] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 a947138a-6079-4ef0-8f12-412a92975c00 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:33:39.135 10 WARNING nova.scheduler.utils [None req-38866a75-a763-4af4-8272-dd062cb6a38a c0558398d3fa4b72bdc79dba3f2bb6dc bd9edd8a722947eda7db40bad60710dd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a947138a-6079-4ef0-8f12-412a92975c00.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a947138a-6079-4ef0-8f12-412a92975c00.
2026-07-17 19:33:39.136 10 WARNING nova.scheduler.utils [None req-38866a75-a763-4af4-8272-dd062cb6a38a c0558398d3fa4b72bdc79dba3f2bb6dc bd9edd8a722947eda7db40bad60710dd - - default default] [instance: a947138a-6079-4ef0-8f12-412a92975c00] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a947138a-6079-4ef0-8f12-412a92975c00.
2026-07-17 19:33:39.236 10 WARNING neutronclient.v2_0.client [None req-38866a75-a763-4af4-8272-dd062cb6a38a c0558398d3fa4b72bdc79dba3f2bb6dc bd9edd8a722947eda7db40bad60710dd - - 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 a947138a-6079-4ef0-8f12-412a92975c00.
2026-07-17 19:33:39.686 10 WARNING neutronclient.v2_0.client [None req-38866a75-a763-4af4-8272-dd062cb6a38a c0558398d3fa4b72bdc79dba3f2bb6dc bd9edd8a722947eda7db40bad60710dd - - 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 a947138a-6079-4ef0-8f12-412a92975c00.
2026-07-17 19:33:41.616 12 ERROR nova.scheduler.utils [None req-47f04c22-75c6-4094-b195-44043533cfcb cab6bf6cc8fe4c318afbdf64e77d7c9a 020ffda4b5b5419ea83ce997ab8fd198 - - default default] [instance: 88b9b254-6c57-4cc0-8b75-24661833998a] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 88b9b254-6c57-4cc0-8b75-24661833998a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:33:41.617 12 WARNING nova.scheduler.utils [None req-47f04c22-75c6-4094-b195-44043533cfcb cab6bf6cc8fe4c318afbdf64e77d7c9a 020ffda4b5b5419ea83ce997ab8fd198 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88b9b254-6c57-4cc0-8b75-24661833998a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88b9b254-6c57-4cc0-8b75-24661833998a.
2026-07-17 19:33:41.618 12 WARNING nova.scheduler.utils [None req-47f04c22-75c6-4094-b195-44043533cfcb cab6bf6cc8fe4c318afbdf64e77d7c9a 020ffda4b5b5419ea83ce997ab8fd198 - - default default] [instance: 88b9b254-6c57-4cc0-8b75-24661833998a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88b9b254-6c57-4cc0-8b75-24661833998a.
2026-07-17 19:33:41.776 12 WARNING neutronclient.v2_0.client [None req-47f04c22-75c6-4094-b195-44043533cfcb cab6bf6cc8fe4c318afbdf64e77d7c9a 020ffda4b5b5419ea83ce997ab8fd198 - - 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 88b9b254-6c57-4cc0-8b75-24661833998a.
2026-07-17 19:33:42.757 12 WARNING neutronclient.v2_0.client [None req-47f04c22-75c6-4094-b195-44043533cfcb cab6bf6cc8fe4c318afbdf64e77d7c9a 020ffda4b5b5419ea83ce997ab8fd198 - - 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 88b9b254-6c57-4cc0-8b75-24661833998a.
2026-07-17 19:33:43.244 10 ERROR nova.scheduler.utils [None req-be01f2d0-e32a-47d3-a050-33900987f2fb 919df6b0a50f4029bdf1e863b78b4f97 caf88e9e43194c34919edb2ceb377fea - - default default] [instance: 2c40e871-6b3c-4a3b-832b-6ca5164de091] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2c40e871-6b3c-4a3b-832b-6ca5164de091 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:33:43.245 10 WARNING nova.scheduler.utils [None req-be01f2d0-e32a-47d3-a050-33900987f2fb 919df6b0a50f4029bdf1e863b78b4f97 caf88e9e43194c34919edb2ceb377fea - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c40e871-6b3c-4a3b-832b-6ca5164de091.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c40e871-6b3c-4a3b-832b-6ca5164de091.
2026-07-17 19:33:43.245 10 WARNING nova.scheduler.utils [None req-be01f2d0-e32a-47d3-a050-33900987f2fb 919df6b0a50f4029bdf1e863b78b4f97 caf88e9e43194c34919edb2ceb377fea - - default default] [instance: 2c40e871-6b3c-4a3b-832b-6ca5164de091] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2c40e871-6b3c-4a3b-832b-6ca5164de091.
2026-07-17 19:33:43.369 10 WARNING neutronclient.v2_0.client [None req-be01f2d0-e32a-47d3-a050-33900987f2fb 919df6b0a50f4029bdf1e863b78b4f97 caf88e9e43194c34919edb2ceb377fea - - 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 2c40e871-6b3c-4a3b-832b-6ca5164de091.
2026-07-17 19:33:43.723 10 WARNING neutronclient.v2_0.client [None req-be01f2d0-e32a-47d3-a050-33900987f2fb 919df6b0a50f4029bdf1e863b78b4f97 caf88e9e43194c34919edb2ceb377fea - - 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 2c40e871-6b3c-4a3b-832b-6ca5164de091.
2026-07-17 19:34:21.402 10 ERROR nova.scheduler.utils [None req-9f5e236f-2f58-4a64-8487-28962ff59b2e 93e7558d1aef43e490f173852490e419 0831859a28c84b63a35e5de04def67c4 - - default default] [instance: 4d37e0fd-742e-4855-a25b-88a5552b925d] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 4d37e0fd-742e-4855-a25b-88a5552b925d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:34:21.404 10 WARNING nova.scheduler.utils [None req-9f5e236f-2f58-4a64-8487-28962ff59b2e 93e7558d1aef43e490f173852490e419 0831859a28c84b63a35e5de04def67c4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4d37e0fd-742e-4855-a25b-88a5552b925d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4d37e0fd-742e-4855-a25b-88a5552b925d.
2026-07-17 19:34:21.404 10 WARNING nova.scheduler.utils [None req-9f5e236f-2f58-4a64-8487-28962ff59b2e 93e7558d1aef43e490f173852490e419 0831859a28c84b63a35e5de04def67c4 - - default default] [instance: 4d37e0fd-742e-4855-a25b-88a5552b925d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4d37e0fd-742e-4855-a25b-88a5552b925d.
2026-07-17 19:34:21.491 10 WARNING neutronclient.v2_0.client [None req-9f5e236f-2f58-4a64-8487-28962ff59b2e 93e7558d1aef43e490f173852490e419 0831859a28c84b63a35e5de04def67c4 - - 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 4d37e0fd-742e-4855-a25b-88a5552b925d.
2026-07-17 19:34:21.532 10 WARNING neutronclient.v2_0.client [None req-9f5e236f-2f58-4a64-8487-28962ff59b2e 93e7558d1aef43e490f173852490e419 0831859a28c84b63a35e5de04def67c4 - - 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 4d37e0fd-742e-4855-a25b-88a5552b925d.
2026-07-17 19:34:26.301 12 ERROR nova.scheduler.utils [None req-3a033ab2-aa35-4ded-b8d7-fc754223df4a c8447be26ce649848c1c3575c78d4afe e1fefe0e68d4472fa73b23ea7485960f - - default default] [instance: e60ee7ad-4772-4b8b-ac10-a01dfdf2c145] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 e60ee7ad-4772-4b8b-ac10-a01dfdf2c145 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:34:26.302 12 WARNING nova.scheduler.utils [None req-3a033ab2-aa35-4ded-b8d7-fc754223df4a c8447be26ce649848c1c3575c78d4afe e1fefe0e68d4472fa73b23ea7485960f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e60ee7ad-4772-4b8b-ac10-a01dfdf2c145.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e60ee7ad-4772-4b8b-ac10-a01dfdf2c145.
2026-07-17 19:34:26.302 12 WARNING nova.scheduler.utils [None req-3a033ab2-aa35-4ded-b8d7-fc754223df4a c8447be26ce649848c1c3575c78d4afe e1fefe0e68d4472fa73b23ea7485960f - - default default] [instance: e60ee7ad-4772-4b8b-ac10-a01dfdf2c145] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e60ee7ad-4772-4b8b-ac10-a01dfdf2c145.
2026-07-17 19:34:26.354 12 WARNING neutronclient.v2_0.client [None req-3a033ab2-aa35-4ded-b8d7-fc754223df4a c8447be26ce649848c1c3575c78d4afe e1fefe0e68d4472fa73b23ea7485960f - - 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 e60ee7ad-4772-4b8b-ac10-a01dfdf2c145.
2026-07-17 19:34:26.387 12 WARNING neutronclient.v2_0.client [None req-3a033ab2-aa35-4ded-b8d7-fc754223df4a c8447be26ce649848c1c3575c78d4afe e1fefe0e68d4472fa73b23ea7485960f - - 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 e60ee7ad-4772-4b8b-ac10-a01dfdf2c145.
2026-07-17 19:35:00.790 10 ERROR nova.scheduler.utils [None req-949a9c4b-f6fe-4984-bac1-79a96ebbdf77 44c78f23beb84a0d877858e5e5879708 545f767e93dd447c897d22704308f8d8 - - default default] [instance: 7650882c-c667-430f-bd69-de9058c66fef] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 7650882c-c667-430f-bd69-de9058c66fef was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:35:00.797 10 WARNING nova.scheduler.utils [None req-949a9c4b-f6fe-4984-bac1-79a96ebbdf77 44c78f23beb84a0d877858e5e5879708 545f767e93dd447c897d22704308f8d8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7650882c-c667-430f-bd69-de9058c66fef.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7650882c-c667-430f-bd69-de9058c66fef.
2026-07-17 19:35:00.798 10 WARNING nova.scheduler.utils [None req-949a9c4b-f6fe-4984-bac1-79a96ebbdf77 44c78f23beb84a0d877858e5e5879708 545f767e93dd447c897d22704308f8d8 - - default default] [instance: 7650882c-c667-430f-bd69-de9058c66fef] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7650882c-c667-430f-bd69-de9058c66fef.
2026-07-17 19:35:00.854 10 WARNING neutronclient.v2_0.client [None req-949a9c4b-f6fe-4984-bac1-79a96ebbdf77 44c78f23beb84a0d877858e5e5879708 545f767e93dd447c897d22704308f8d8 - - 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 7650882c-c667-430f-bd69-de9058c66fef.
2026-07-17 19:35:01.066 10 WARNING neutronclient.v2_0.client [None req-949a9c4b-f6fe-4984-bac1-79a96ebbdf77 44c78f23beb84a0d877858e5e5879708 545f767e93dd447c897d22704308f8d8 - - 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 7650882c-c667-430f-bd69-de9058c66fef.
2026-07-17 19:36:06.991 10 ERROR nova.scheduler.utils [None req-38f06f85-a1d8-48da-8803-dedce2e64b63 ca9b674ff7b34897abe59ad52d973d7d bc9f63b3aa4e479baf6973ed4a57625d - - default default] [instance: 3c240914-0ea2-415f-b88a-7ce78cd1f985] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 3c240914-0ea2-415f-b88a-7ce78cd1f985 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:36:06.992 10 WARNING nova.scheduler.utils [None req-38f06f85-a1d8-48da-8803-dedce2e64b63 ca9b674ff7b34897abe59ad52d973d7d bc9f63b3aa4e479baf6973ed4a57625d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3c240914-0ea2-415f-b88a-7ce78cd1f985.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3c240914-0ea2-415f-b88a-7ce78cd1f985.
2026-07-17 19:36:06.992 10 WARNING nova.scheduler.utils [None req-38f06f85-a1d8-48da-8803-dedce2e64b63 ca9b674ff7b34897abe59ad52d973d7d bc9f63b3aa4e479baf6973ed4a57625d - - default default] [instance: 3c240914-0ea2-415f-b88a-7ce78cd1f985] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3c240914-0ea2-415f-b88a-7ce78cd1f985.
2026-07-17 19:36:07.039 10 WARNING neutronclient.v2_0.client [None req-38f06f85-a1d8-48da-8803-dedce2e64b63 ca9b674ff7b34897abe59ad52d973d7d bc9f63b3aa4e479baf6973ed4a57625d - - 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 3c240914-0ea2-415f-b88a-7ce78cd1f985.
2026-07-17 19:36:07.070 10 WARNING neutronclient.v2_0.client [None req-38f06f85-a1d8-48da-8803-dedce2e64b63 ca9b674ff7b34897abe59ad52d973d7d bc9f63b3aa4e479baf6973ed4a57625d - - 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 3c240914-0ea2-415f-b88a-7ce78cd1f985.
2026-07-17 19:36:53.178 12 ERROR nova.scheduler.utils [None req-c16c77d4-a4de-4419-893d-18088368e034 e1573561c3b7438bb22eb7616dadfe03 d0ae583384014ab381b03a1afc02dbc1 - - default default] [instance: 522dc0df-9fa0-41dd-882a-aed90c4a4d27] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 522dc0df-9fa0-41dd-882a-aed90c4a4d27 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:36:53.179 12 WARNING nova.scheduler.utils [None req-c16c77d4-a4de-4419-893d-18088368e034 e1573561c3b7438bb22eb7616dadfe03 d0ae583384014ab381b03a1afc02dbc1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 522dc0df-9fa0-41dd-882a-aed90c4a4d27.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 522dc0df-9fa0-41dd-882a-aed90c4a4d27.
2026-07-17 19:36:53.179 12 WARNING nova.scheduler.utils [None req-c16c77d4-a4de-4419-893d-18088368e034 e1573561c3b7438bb22eb7616dadfe03 d0ae583384014ab381b03a1afc02dbc1 - - default default] [instance: 522dc0df-9fa0-41dd-882a-aed90c4a4d27] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 522dc0df-9fa0-41dd-882a-aed90c4a4d27.
2026-07-17 19:36:53.227 12 WARNING neutronclient.v2_0.client [None req-c16c77d4-a4de-4419-893d-18088368e034 e1573561c3b7438bb22eb7616dadfe03 d0ae583384014ab381b03a1afc02dbc1 - - 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 522dc0df-9fa0-41dd-882a-aed90c4a4d27.
2026-07-17 19:36:53.258 12 WARNING neutronclient.v2_0.client [None req-c16c77d4-a4de-4419-893d-18088368e034 e1573561c3b7438bb22eb7616dadfe03 d0ae583384014ab381b03a1afc02dbc1 - - 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 522dc0df-9fa0-41dd-882a-aed90c4a4d27.
2026-07-17 19:37:37.994 10 ERROR nova.scheduler.utils [None req-21545f31-e9b7-41a2-986f-50427cc99331 c76bc6ad036d41b4b3120e45da6816f2 5d6ecb4241ef478080756129869fa3df - - default default] [instance: 042cde3c-c847-4390-93e7-44ede52af0aa] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 042cde3c-c847-4390-93e7-44ede52af0aa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:37:37.995 10 WARNING nova.scheduler.utils [None req-21545f31-e9b7-41a2-986f-50427cc99331 c76bc6ad036d41b4b3120e45da6816f2 5d6ecb4241ef478080756129869fa3df - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 042cde3c-c847-4390-93e7-44ede52af0aa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 042cde3c-c847-4390-93e7-44ede52af0aa.
2026-07-17 19:37:37.995 10 WARNING nova.scheduler.utils [None req-21545f31-e9b7-41a2-986f-50427cc99331 c76bc6ad036d41b4b3120e45da6816f2 5d6ecb4241ef478080756129869fa3df - - default default] [instance: 042cde3c-c847-4390-93e7-44ede52af0aa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 042cde3c-c847-4390-93e7-44ede52af0aa.
2026-07-17 19:37:38.216 10 WARNING neutronclient.v2_0.client [None req-21545f31-e9b7-41a2-986f-50427cc99331 c76bc6ad036d41b4b3120e45da6816f2 5d6ecb4241ef478080756129869fa3df - - 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 042cde3c-c847-4390-93e7-44ede52af0aa.
2026-07-17 19:37:38.245 10 WARNING neutronclient.v2_0.client [None req-21545f31-e9b7-41a2-986f-50427cc99331 c76bc6ad036d41b4b3120e45da6816f2 5d6ecb4241ef478080756129869fa3df - - 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 042cde3c-c847-4390-93e7-44ede52af0aa.
2026-07-17 19:38:37.326 12 ERROR nova.scheduler.utils [None req-9bd8746f-26e3-42dd-8cee-da24a295c0f0 d775ce689b3d4464ad1b1b9cb55de643 88f021a9847a452c8496b281ab98d4d5 - - default default] [instance: b71ece83-7d17-44dd-a559-79bba5f4eb3f] 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 b71ece83-7d17-44dd-a559-79bba5f4eb3f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 19:38:37.328 12 WARNING nova.scheduler.utils [None req-9bd8746f-26e3-42dd-8cee-da24a295c0f0 d775ce689b3d4464ad1b1b9cb55de643 88f021a9847a452c8496b281ab98d4d5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b71ece83-7d17-44dd-a559-79bba5f4eb3f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b71ece83-7d17-44dd-a559-79bba5f4eb3f.
2026-07-17 19:38:37.328 12 WARNING nova.scheduler.utils [None req-9bd8746f-26e3-42dd-8cee-da24a295c0f0 d775ce689b3d4464ad1b1b9cb55de643 88f021a9847a452c8496b281ab98d4d5 - - default default] [instance: b71ece83-7d17-44dd-a559-79bba5f4eb3f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b71ece83-7d17-44dd-a559-79bba5f4eb3f.
2026-07-17 19:38:37.391 12 WARNING neutronclient.v2_0.client [None req-9bd8746f-26e3-42dd-8cee-da24a295c0f0 d775ce689b3d4464ad1b1b9cb55de643 88f021a9847a452c8496b281ab98d4d5 - - 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 b71ece83-7d17-44dd-a559-79bba5f4eb3f.
2026-07-17 19:38:37.419 12 WARNING neutronclient.v2_0.client [None req-9bd8746f-26e3-42dd-8cee-da24a295c0f0 d775ce689b3d4464ad1b1b9cb55de643 88f021a9847a452c8496b281ab98d4d5 - - 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 b71ece83-7d17-44dd-a559-79bba5f4eb3f.