+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-17 22:21:20.625 1 INFO nova.utils [None req-b943485d-bcb2-4b3f-8fd9-e9a80fbcb06b - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-17 22:21:20.786 1 INFO nova.utils [None req-b943485d-bcb2-4b3f-8fd9-e9a80fbcb06b - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-17 22:21:21.786 1 INFO nova.utils [None req-b943485d-bcb2-4b3f-8fd9-e9a80fbcb06b - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-17 22:21:21.789 1 WARNING oslo_service.backend._threading.service [None req-b943485d-bcb2-4b3f-8fd9-e9a80fbcb06b - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-17 22:21:21.803 1 WARNING oslo_config.cfg [None req-b943485d-bcb2-4b3f-8fd9-e9a80fbcb06b - - - - - -] 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 22:21:21.848 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 22:21:21.858 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 23:00:57.915 10 INFO nova.utils [None req-c3ea481b-ed50-495e-a998-dd87ecd967ce 5a457c134c1f4012b52e44581abb9837 a380f14afe1845a2b34280c6a8423a53 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-17 23:00:58.069 10 INFO nova.compute.rpcapi [None req-66083219-0c10-4e78-9a00-1b557e570e1c - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 23:01:01.637 12 INFO nova.utils [None req-bc68fba8-f390-42dd-ac18-2f22273edc3e 2b0afc4218f946028d3b52bf9ca369bd ed524085b9db4bb69f879f36533bffdb - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-17 23:01:01.800 12 INFO nova.compute.rpcapi [None req-c3b59230-ae48-45b1-8f8c-c350197c832e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 23:01:19.120 10 ERROR nova.scheduler.utils [None req-c3ea481b-ed50-495e-a998-dd87ecd967ce 5a457c134c1f4012b52e44581abb9837 a380f14afe1845a2b34280c6a8423a53 - - default default] [instance: ca5cb3e9-af7c-4d4a-b31a-978223af138c] 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 ca5cb3e9-af7c-4d4a-b31a-978223af138c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:01:19.122 10 WARNING nova.scheduler.utils [None req-c3ea481b-ed50-495e-a998-dd87ecd967ce 5a457c134c1f4012b52e44581abb9837 a380f14afe1845a2b34280c6a8423a53 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ca5cb3e9-af7c-4d4a-b31a-978223af138c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ca5cb3e9-af7c-4d4a-b31a-978223af138c.
2026-07-17 23:01:19.122 10 WARNING nova.scheduler.utils [None req-c3ea481b-ed50-495e-a998-dd87ecd967ce 5a457c134c1f4012b52e44581abb9837 a380f14afe1845a2b34280c6a8423a53 - - default default] [instance: ca5cb3e9-af7c-4d4a-b31a-978223af138c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ca5cb3e9-af7c-4d4a-b31a-978223af138c.
2026-07-17 23:01:19.211 10 WARNING neutronclient.v2_0.client [None req-c3ea481b-ed50-495e-a998-dd87ecd967ce 5a457c134c1f4012b52e44581abb9837 a380f14afe1845a2b34280c6a8423a53 - - 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 ca5cb3e9-af7c-4d4a-b31a-978223af138c.
2026-07-17 23:01:19.634 10 WARNING neutronclient.v2_0.client [None req-c3ea481b-ed50-495e-a998-dd87ecd967ce 5a457c134c1f4012b52e44581abb9837 a380f14afe1845a2b34280c6a8423a53 - - 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 ca5cb3e9-af7c-4d4a-b31a-978223af138c.
2026-07-17 23:01:20.900 10 ERROR nova.scheduler.utils [None req-bc68fba8-f390-42dd-ac18-2f22273edc3e 2b0afc4218f946028d3b52bf9ca369bd ed524085b9db4bb69f879f36533bffdb - - default default] [instance: 5090eb9a-35a3-4efa-bf55-5ba34b9fe021] 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 5090eb9a-35a3-4efa-bf55-5ba34b9fe021 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:01:20.901 10 WARNING nova.scheduler.utils [None req-bc68fba8-f390-42dd-ac18-2f22273edc3e 2b0afc4218f946028d3b52bf9ca369bd ed524085b9db4bb69f879f36533bffdb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5090eb9a-35a3-4efa-bf55-5ba34b9fe021.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5090eb9a-35a3-4efa-bf55-5ba34b9fe021.
2026-07-17 23:01:20.901 10 WARNING nova.scheduler.utils [None req-bc68fba8-f390-42dd-ac18-2f22273edc3e 2b0afc4218f946028d3b52bf9ca369bd ed524085b9db4bb69f879f36533bffdb - - default default] [instance: 5090eb9a-35a3-4efa-bf55-5ba34b9fe021] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5090eb9a-35a3-4efa-bf55-5ba34b9fe021.
2026-07-17 23:01:20.944 10 WARNING neutronclient.v2_0.client [None req-bc68fba8-f390-42dd-ac18-2f22273edc3e 2b0afc4218f946028d3b52bf9ca369bd ed524085b9db4bb69f879f36533bffdb - - 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 5090eb9a-35a3-4efa-bf55-5ba34b9fe021.
2026-07-17 23:01:21.049 10 WARNING neutronclient.v2_0.client [None req-bc68fba8-f390-42dd-ac18-2f22273edc3e 2b0afc4218f946028d3b52bf9ca369bd ed524085b9db4bb69f879f36533bffdb - - 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 5090eb9a-35a3-4efa-bf55-5ba34b9fe021.
2026-07-17 23:01:32.284 12 ERROR nova.scheduler.utils [None req-8e5bcbf6-f819-4172-b4f6-cb46fdc30ddc c0eeb1183d9943abbfc82d1f447ccf3c e80ec5f413a64010868a674d3162f254 - - default default] [instance: 5233e993-9679-46b5-a2d7-950e9ba3f306] 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 5233e993-9679-46b5-a2d7-950e9ba3f306 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:01:32.286 12 WARNING nova.scheduler.utils [None req-8e5bcbf6-f819-4172-b4f6-cb46fdc30ddc c0eeb1183d9943abbfc82d1f447ccf3c e80ec5f413a64010868a674d3162f254 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5233e993-9679-46b5-a2d7-950e9ba3f306.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5233e993-9679-46b5-a2d7-950e9ba3f306.
2026-07-17 23:01:32.286 12 WARNING nova.scheduler.utils [None req-8e5bcbf6-f819-4172-b4f6-cb46fdc30ddc c0eeb1183d9943abbfc82d1f447ccf3c e80ec5f413a64010868a674d3162f254 - - default default] [instance: 5233e993-9679-46b5-a2d7-950e9ba3f306] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5233e993-9679-46b5-a2d7-950e9ba3f306.
2026-07-17 23:01:32.369 12 WARNING neutronclient.v2_0.client [None req-8e5bcbf6-f819-4172-b4f6-cb46fdc30ddc c0eeb1183d9943abbfc82d1f447ccf3c e80ec5f413a64010868a674d3162f254 - - 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 5233e993-9679-46b5-a2d7-950e9ba3f306.
2026-07-17 23:01:33.182 12 WARNING neutronclient.v2_0.client [None req-8e5bcbf6-f819-4172-b4f6-cb46fdc30ddc c0eeb1183d9943abbfc82d1f447ccf3c e80ec5f413a64010868a674d3162f254 - - 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 5233e993-9679-46b5-a2d7-950e9ba3f306.
2026-07-17 23:01:37.074 10 ERROR nova.scheduler.utils [None req-7570a029-cb30-4072-aea8-f92057b21646 1b1e136644744be8ba497b1a42845565 9789d989d8a142e0976cd6bd93bacb2c - - default default] [instance: 44d18afb-9c4f-46e1-af8d-c90ae8c47a22] 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 44d18afb-9c4f-46e1-af8d-c90ae8c47a22 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:01:37.075 10 WARNING nova.scheduler.utils [None req-7570a029-cb30-4072-aea8-f92057b21646 1b1e136644744be8ba497b1a42845565 9789d989d8a142e0976cd6bd93bacb2c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44d18afb-9c4f-46e1-af8d-c90ae8c47a22.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44d18afb-9c4f-46e1-af8d-c90ae8c47a22.
2026-07-17 23:01:37.075 10 WARNING nova.scheduler.utils [None req-7570a029-cb30-4072-aea8-f92057b21646 1b1e136644744be8ba497b1a42845565 9789d989d8a142e0976cd6bd93bacb2c - - default default] [instance: 44d18afb-9c4f-46e1-af8d-c90ae8c47a22] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44d18afb-9c4f-46e1-af8d-c90ae8c47a22.
2026-07-17 23:01:37.135 10 WARNING neutronclient.v2_0.client [None req-7570a029-cb30-4072-aea8-f92057b21646 1b1e136644744be8ba497b1a42845565 9789d989d8a142e0976cd6bd93bacb2c - - 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 44d18afb-9c4f-46e1-af8d-c90ae8c47a22.
2026-07-17 23:01:37.168 10 WARNING neutronclient.v2_0.client [None req-7570a029-cb30-4072-aea8-f92057b21646 1b1e136644744be8ba497b1a42845565 9789d989d8a142e0976cd6bd93bacb2c - - 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 44d18afb-9c4f-46e1-af8d-c90ae8c47a22.
2026-07-17 23:01:52.700 12 ERROR nova.scheduler.utils [None req-f2d65a6b-9101-4128-bfa7-4c897d055d26 35bdcdf2156345bd840f2789e861621e 184c89eb388f4e6ba5909c30fd316f6a - - default default] [instance: a82ed06e-01f9-43cc-b14d-72aa11f51d8a] 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 a82ed06e-01f9-43cc-b14d-72aa11f51d8a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:01:52.702 12 WARNING nova.scheduler.utils [None req-f2d65a6b-9101-4128-bfa7-4c897d055d26 35bdcdf2156345bd840f2789e861621e 184c89eb388f4e6ba5909c30fd316f6a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a82ed06e-01f9-43cc-b14d-72aa11f51d8a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a82ed06e-01f9-43cc-b14d-72aa11f51d8a.
2026-07-17 23:01:52.703 12 WARNING nova.scheduler.utils [None req-f2d65a6b-9101-4128-bfa7-4c897d055d26 35bdcdf2156345bd840f2789e861621e 184c89eb388f4e6ba5909c30fd316f6a - - default default] [instance: a82ed06e-01f9-43cc-b14d-72aa11f51d8a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a82ed06e-01f9-43cc-b14d-72aa11f51d8a.
2026-07-17 23:01:52.767 12 WARNING neutronclient.v2_0.client [None req-f2d65a6b-9101-4128-bfa7-4c897d055d26 35bdcdf2156345bd840f2789e861621e 184c89eb388f4e6ba5909c30fd316f6a - - 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 a82ed06e-01f9-43cc-b14d-72aa11f51d8a.
2026-07-17 23:01:52.802 12 WARNING neutronclient.v2_0.client [None req-f2d65a6b-9101-4128-bfa7-4c897d055d26 35bdcdf2156345bd840f2789e861621e 184c89eb388f4e6ba5909c30fd316f6a - - 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 a82ed06e-01f9-43cc-b14d-72aa11f51d8a.
2026-07-17 23:02:26.126 12 ERROR nova.scheduler.utils [None req-156ecb2b-e201-44f2-8cc5-fe25ce34ff17 70fbf78a0d57462da05703e99e3fe5a7 ab132f2241c743aba9817a79542b59f7 - - default default] [instance: 5c086001-e0de-4f79-9439-e684b3e06636] 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 5c086001-e0de-4f79-9439-e684b3e06636 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:02:26.127 12 WARNING nova.scheduler.utils [None req-156ecb2b-e201-44f2-8cc5-fe25ce34ff17 70fbf78a0d57462da05703e99e3fe5a7 ab132f2241c743aba9817a79542b59f7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c086001-e0de-4f79-9439-e684b3e06636.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c086001-e0de-4f79-9439-e684b3e06636.
2026-07-17 23:02:26.127 12 WARNING nova.scheduler.utils [None req-156ecb2b-e201-44f2-8cc5-fe25ce34ff17 70fbf78a0d57462da05703e99e3fe5a7 ab132f2241c743aba9817a79542b59f7 - - default default] [instance: 5c086001-e0de-4f79-9439-e684b3e06636] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c086001-e0de-4f79-9439-e684b3e06636.
2026-07-17 23:02:26.181 12 WARNING neutronclient.v2_0.client [None req-156ecb2b-e201-44f2-8cc5-fe25ce34ff17 70fbf78a0d57462da05703e99e3fe5a7 ab132f2241c743aba9817a79542b59f7 - - 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 5c086001-e0de-4f79-9439-e684b3e06636.
2026-07-17 23:02:26.213 12 WARNING neutronclient.v2_0.client [None req-156ecb2b-e201-44f2-8cc5-fe25ce34ff17 70fbf78a0d57462da05703e99e3fe5a7 ab132f2241c743aba9817a79542b59f7 - - 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 5c086001-e0de-4f79-9439-e684b3e06636.
2026-07-17 23:02:38.047 12 ERROR nova.scheduler.utils [None req-966a0073-77ae-45fb-81c5-c2bb2eb303ad 3db154fbb12545609a162bd905ce1700 606b9ccca70f48e4aa16e2e5cc0242d2 - - default default] [instance: 095e71af-50a3-4413-b3de-213ac25501d7] 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 095e71af-50a3-4413-b3de-213ac25501d7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:02:38.048 12 WARNING nova.scheduler.utils [None req-966a0073-77ae-45fb-81c5-c2bb2eb303ad 3db154fbb12545609a162bd905ce1700 606b9ccca70f48e4aa16e2e5cc0242d2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 095e71af-50a3-4413-b3de-213ac25501d7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 095e71af-50a3-4413-b3de-213ac25501d7.
2026-07-17 23:02:38.048 12 WARNING nova.scheduler.utils [None req-966a0073-77ae-45fb-81c5-c2bb2eb303ad 3db154fbb12545609a162bd905ce1700 606b9ccca70f48e4aa16e2e5cc0242d2 - - default default] [instance: 095e71af-50a3-4413-b3de-213ac25501d7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 095e71af-50a3-4413-b3de-213ac25501d7.
2026-07-17 23:02:38.098 12 WARNING neutronclient.v2_0.client [None req-966a0073-77ae-45fb-81c5-c2bb2eb303ad 3db154fbb12545609a162bd905ce1700 606b9ccca70f48e4aa16e2e5cc0242d2 - - 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 095e71af-50a3-4413-b3de-213ac25501d7.
2026-07-17 23:02:38.191 12 WARNING neutronclient.v2_0.client [None req-966a0073-77ae-45fb-81c5-c2bb2eb303ad 3db154fbb12545609a162bd905ce1700 606b9ccca70f48e4aa16e2e5cc0242d2 - - 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 095e71af-50a3-4413-b3de-213ac25501d7.
2026-07-17 23:03:28.057 12 ERROR nova.scheduler.utils [None req-8654340c-d5ad-43ef-b36e-af2540fe6fe0 25533eae4f664f728dd30ff17ee7be2a 31280fea337f438d89601a96aa501002 - - default default] [instance: af046fe9-4b71-4e38-8217-51ac8908a4fa] 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 af046fe9-4b71-4e38-8217-51ac8908a4fa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:03:28.058 12 WARNING nova.scheduler.utils [None req-8654340c-d5ad-43ef-b36e-af2540fe6fe0 25533eae4f664f728dd30ff17ee7be2a 31280fea337f438d89601a96aa501002 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af046fe9-4b71-4e38-8217-51ac8908a4fa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af046fe9-4b71-4e38-8217-51ac8908a4fa.
2026-07-17 23:03:28.059 12 WARNING nova.scheduler.utils [None req-8654340c-d5ad-43ef-b36e-af2540fe6fe0 25533eae4f664f728dd30ff17ee7be2a 31280fea337f438d89601a96aa501002 - - default default] [instance: af046fe9-4b71-4e38-8217-51ac8908a4fa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af046fe9-4b71-4e38-8217-51ac8908a4fa.
2026-07-17 23:03:28.104 12 WARNING neutronclient.v2_0.client [None req-8654340c-d5ad-43ef-b36e-af2540fe6fe0 25533eae4f664f728dd30ff17ee7be2a 31280fea337f438d89601a96aa501002 - - 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 af046fe9-4b71-4e38-8217-51ac8908a4fa.
2026-07-17 23:03:28.317 12 WARNING neutronclient.v2_0.client [None req-8654340c-d5ad-43ef-b36e-af2540fe6fe0 25533eae4f664f728dd30ff17ee7be2a 31280fea337f438d89601a96aa501002 - - 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 af046fe9-4b71-4e38-8217-51ac8908a4fa.
2026-07-17 23:04:19.823 10 ERROR nova.scheduler.utils [None req-ef60ff4c-2fe3-48bb-9784-cb580a125a51 5080cb1f7a3d4961a194deaa2bed7fab 523ef2b45e1f47a7baa35ab8a82840ef - - default default] [instance: dc6a0b69-8017-4497-8026-ba9d20859850] 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 dc6a0b69-8017-4497-8026-ba9d20859850 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:04:19.824 10 WARNING nova.scheduler.utils [None req-ef60ff4c-2fe3-48bb-9784-cb580a125a51 5080cb1f7a3d4961a194deaa2bed7fab 523ef2b45e1f47a7baa35ab8a82840ef - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc6a0b69-8017-4497-8026-ba9d20859850.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc6a0b69-8017-4497-8026-ba9d20859850.
2026-07-17 23:04:19.824 10 WARNING nova.scheduler.utils [None req-ef60ff4c-2fe3-48bb-9784-cb580a125a51 5080cb1f7a3d4961a194deaa2bed7fab 523ef2b45e1f47a7baa35ab8a82840ef - - default default] [instance: dc6a0b69-8017-4497-8026-ba9d20859850] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc6a0b69-8017-4497-8026-ba9d20859850.
2026-07-17 23:04:19.884 10 WARNING neutronclient.v2_0.client [None req-ef60ff4c-2fe3-48bb-9784-cb580a125a51 5080cb1f7a3d4961a194deaa2bed7fab 523ef2b45e1f47a7baa35ab8a82840ef - - 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 dc6a0b69-8017-4497-8026-ba9d20859850.
2026-07-17 23:04:19.908 10 WARNING neutronclient.v2_0.client [None req-ef60ff4c-2fe3-48bb-9784-cb580a125a51 5080cb1f7a3d4961a194deaa2bed7fab 523ef2b45e1f47a7baa35ab8a82840ef - - 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 dc6a0b69-8017-4497-8026-ba9d20859850.
2026-07-17 23:05:25.585 12 ERROR nova.scheduler.utils [None req-1a4ffe1e-c418-4369-8d9b-fd5dc8099876 66ed0c3530ee4f38802c903084560238 9ec07375a3f44057b2b2f01f8602eb69 - - default default] [instance: a04b2802-b3a0-4697-b32c-b8d0c19ac7ae] 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 a04b2802-b3a0-4697-b32c-b8d0c19ac7ae was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 23:05:25.586 12 WARNING nova.scheduler.utils [None req-1a4ffe1e-c418-4369-8d9b-fd5dc8099876 66ed0c3530ee4f38802c903084560238 9ec07375a3f44057b2b2f01f8602eb69 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a04b2802-b3a0-4697-b32c-b8d0c19ac7ae.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a04b2802-b3a0-4697-b32c-b8d0c19ac7ae.
2026-07-17 23:05:25.587 12 WARNING nova.scheduler.utils [None req-1a4ffe1e-c418-4369-8d9b-fd5dc8099876 66ed0c3530ee4f38802c903084560238 9ec07375a3f44057b2b2f01f8602eb69 - - default default] [instance: a04b2802-b3a0-4697-b32c-b8d0c19ac7ae] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a04b2802-b3a0-4697-b32c-b8d0c19ac7ae.
2026-07-17 23:05:25.635 12 WARNING neutronclient.v2_0.client [None req-1a4ffe1e-c418-4369-8d9b-fd5dc8099876 66ed0c3530ee4f38802c903084560238 9ec07375a3f44057b2b2f01f8602eb69 - - 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 a04b2802-b3a0-4697-b32c-b8d0c19ac7ae.
2026-07-17 23:05:25.669 12 WARNING neutronclient.v2_0.client [None req-1a4ffe1e-c418-4369-8d9b-fd5dc8099876 66ed0c3530ee4f38802c903084560238 9ec07375a3f44057b2b2f01f8602eb69 - - 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 a04b2802-b3a0-4697-b32c-b8d0c19ac7ae.