+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-20 19:33:18.901 1 INFO nova.utils [None req-d6781ce6-6f36-437f-b691-0d6040a73fd7 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-20 19:33:19.076 1 INFO nova.utils [None req-d6781ce6-6f36-437f-b691-0d6040a73fd7 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-20 19:33:20.076 1 INFO nova.utils [None req-d6781ce6-6f36-437f-b691-0d6040a73fd7 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-20 19:33:20.078 1 WARNING oslo_service.backend._threading.service [None req-d6781ce6-6f36-437f-b691-0d6040a73fd7 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-20 19:33:20.103 1 WARNING oslo_config.cfg [None req-d6781ce6-6f36-437f-b691-0d6040a73fd7 - - - - - -] 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.
2026-07-20 19:33:20.148 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-20 19:33:20.163 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-20 20:17:36.857 12 INFO nova.utils [None req-1bd5e41f-eb12-493d-87ee-ba88cbe98c1b c12979ebb50043eca8b74d659beafde3 27866e9734744b16b2ff98475415dcb6 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-20 20:17:37.019 12 INFO nova.compute.rpcapi [None req-f44ded28-59b6-4b07-b8c1-e488c28b9474 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-20 20:17:50.111 10 INFO nova.utils [None req-b13790fc-63fa-4c8e-9d03-c44dfc660df4 5fbba832ad054c9895dca171fc56e905 f38599f89b894a0d906ccca007153d55 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-20 20:17:50.301 10 INFO nova.compute.rpcapi [None req-a61ad970-dfca-49d6-8fb8-c84d685f3602 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-20 20:17:54.382 12 ERROR nova.scheduler.utils [None req-1bd5e41f-eb12-493d-87ee-ba88cbe98c1b c12979ebb50043eca8b74d659beafde3 27866e9734744b16b2ff98475415dcb6 - - default default] [instance: 05cbf2a0-55fc-4224-aaa4-72d20ac41567] 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 05cbf2a0-55fc-4224-aaa4-72d20ac41567 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:17:54.383 12 WARNING nova.scheduler.utils [None req-1bd5e41f-eb12-493d-87ee-ba88cbe98c1b c12979ebb50043eca8b74d659beafde3 27866e9734744b16b2ff98475415dcb6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 05cbf2a0-55fc-4224-aaa4-72d20ac41567.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 05cbf2a0-55fc-4224-aaa4-72d20ac41567.
2026-07-20 20:17:54.383 12 WARNING nova.scheduler.utils [None req-1bd5e41f-eb12-493d-87ee-ba88cbe98c1b c12979ebb50043eca8b74d659beafde3 27866e9734744b16b2ff98475415dcb6 - - default default] [instance: 05cbf2a0-55fc-4224-aaa4-72d20ac41567] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 05cbf2a0-55fc-4224-aaa4-72d20ac41567.
2026-07-20 20:17:54.487 12 WARNING neutronclient.v2_0.client [None req-1bd5e41f-eb12-493d-87ee-ba88cbe98c1b c12979ebb50043eca8b74d659beafde3 27866e9734744b16b2ff98475415dcb6 - - 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 05cbf2a0-55fc-4224-aaa4-72d20ac41567.
2026-07-20 20:17:54.937 12 WARNING neutronclient.v2_0.client [None req-1bd5e41f-eb12-493d-87ee-ba88cbe98c1b c12979ebb50043eca8b74d659beafde3 27866e9734744b16b2ff98475415dcb6 - - 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 05cbf2a0-55fc-4224-aaa4-72d20ac41567.
2026-07-20 20:17:58.136 12 ERROR nova.scheduler.utils [None req-467aa9a5-bd86-453c-9aeb-2620040effe1 ee15539e71804582bfcfd957551a3db8 9f01f8cfda474f0090dcf3b31ae2193d - - default default] [instance: 612e6e39-091b-48db-87d9-c26c3591c521] 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 612e6e39-091b-48db-87d9-c26c3591c521 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:17:58.137 12 WARNING nova.scheduler.utils [None req-467aa9a5-bd86-453c-9aeb-2620040effe1 ee15539e71804582bfcfd957551a3db8 9f01f8cfda474f0090dcf3b31ae2193d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 612e6e39-091b-48db-87d9-c26c3591c521.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 612e6e39-091b-48db-87d9-c26c3591c521.
2026-07-20 20:17:58.137 12 WARNING nova.scheduler.utils [None req-467aa9a5-bd86-453c-9aeb-2620040effe1 ee15539e71804582bfcfd957551a3db8 9f01f8cfda474f0090dcf3b31ae2193d - - default default] [instance: 612e6e39-091b-48db-87d9-c26c3591c521] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 612e6e39-091b-48db-87d9-c26c3591c521.
2026-07-20 20:17:58.183 12 WARNING neutronclient.v2_0.client [None req-467aa9a5-bd86-453c-9aeb-2620040effe1 ee15539e71804582bfcfd957551a3db8 9f01f8cfda474f0090dcf3b31ae2193d - - 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 612e6e39-091b-48db-87d9-c26c3591c521.
2026-07-20 20:17:58.211 12 WARNING neutronclient.v2_0.client [None req-467aa9a5-bd86-453c-9aeb-2620040effe1 ee15539e71804582bfcfd957551a3db8 9f01f8cfda474f0090dcf3b31ae2193d - - 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 612e6e39-091b-48db-87d9-c26c3591c521.
2026-07-20 20:18:04.675 10 ERROR nova.scheduler.utils [None req-b13790fc-63fa-4c8e-9d03-c44dfc660df4 5fbba832ad054c9895dca171fc56e905 f38599f89b894a0d906ccca007153d55 - - default default] [instance: 4cf7098a-cfb2-411a-9c6a-143ab7855f15] 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 4cf7098a-cfb2-411a-9c6a-143ab7855f15 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:18:04.676 10 WARNING nova.scheduler.utils [None req-b13790fc-63fa-4c8e-9d03-c44dfc660df4 5fbba832ad054c9895dca171fc56e905 f38599f89b894a0d906ccca007153d55 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4cf7098a-cfb2-411a-9c6a-143ab7855f15.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4cf7098a-cfb2-411a-9c6a-143ab7855f15.
2026-07-20 20:18:04.676 10 WARNING nova.scheduler.utils [None req-b13790fc-63fa-4c8e-9d03-c44dfc660df4 5fbba832ad054c9895dca171fc56e905 f38599f89b894a0d906ccca007153d55 - - default default] [instance: 4cf7098a-cfb2-411a-9c6a-143ab7855f15] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4cf7098a-cfb2-411a-9c6a-143ab7855f15.
2026-07-20 20:18:04.780 10 WARNING neutronclient.v2_0.client [None req-b13790fc-63fa-4c8e-9d03-c44dfc660df4 5fbba832ad054c9895dca171fc56e905 f38599f89b894a0d906ccca007153d55 - - 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 4cf7098a-cfb2-411a-9c6a-143ab7855f15.
2026-07-20 20:18:05.413 10 WARNING neutronclient.v2_0.client [None req-b13790fc-63fa-4c8e-9d03-c44dfc660df4 5fbba832ad054c9895dca171fc56e905 f38599f89b894a0d906ccca007153d55 - - 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 4cf7098a-cfb2-411a-9c6a-143ab7855f15.
2026-07-20 20:18:13.058 12 ERROR nova.scheduler.utils [None req-76396af4-79e1-4493-8c90-38799018ff61 bc145793827f46838cb2fd268daa1899 5bc63a28a608472ca0578a6685376be1 - - default default] [instance: 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9] 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 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:18:13.060 12 WARNING nova.scheduler.utils [None req-76396af4-79e1-4493-8c90-38799018ff61 bc145793827f46838cb2fd268daa1899 5bc63a28a608472ca0578a6685376be1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9.
2026-07-20 20:18:13.061 12 WARNING nova.scheduler.utils [None req-76396af4-79e1-4493-8c90-38799018ff61 bc145793827f46838cb2fd268daa1899 5bc63a28a608472ca0578a6685376be1 - - default default] [instance: 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9.
2026-07-20 20:18:13.131 12 WARNING neutronclient.v2_0.client [None req-76396af4-79e1-4493-8c90-38799018ff61 bc145793827f46838cb2fd268daa1899 5bc63a28a608472ca0578a6685376be1 - - 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 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9.
2026-07-20 20:18:13.156 12 WARNING neutronclient.v2_0.client [None req-76396af4-79e1-4493-8c90-38799018ff61 bc145793827f46838cb2fd268daa1899 5bc63a28a608472ca0578a6685376be1 - - 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 6bf713b2-1910-4d5b-ad80-3aa9dde8d0b9.
2026-07-20 20:18:22.874 12 ERROR nova.scheduler.utils [None req-e1d7105d-33d4-42e0-b323-ff2b5b57ac92 b0b0b969341c4d9c8eb916d2ed36d26c 3b2cbfbebde74460a226bcfb5a379fd6 - - default default] [instance: b87f467e-1c4a-4c96-bb63-8d2bf423f3f9] 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 b87f467e-1c4a-4c96-bb63-8d2bf423f3f9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:18:22.875 12 WARNING nova.scheduler.utils [None req-e1d7105d-33d4-42e0-b323-ff2b5b57ac92 b0b0b969341c4d9c8eb916d2ed36d26c 3b2cbfbebde74460a226bcfb5a379fd6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b87f467e-1c4a-4c96-bb63-8d2bf423f3f9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b87f467e-1c4a-4c96-bb63-8d2bf423f3f9.
2026-07-20 20:18:22.876 12 WARNING nova.scheduler.utils [None req-e1d7105d-33d4-42e0-b323-ff2b5b57ac92 b0b0b969341c4d9c8eb916d2ed36d26c 3b2cbfbebde74460a226bcfb5a379fd6 - - default default] [instance: b87f467e-1c4a-4c96-bb63-8d2bf423f3f9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b87f467e-1c4a-4c96-bb63-8d2bf423f3f9.
2026-07-20 20:18:22.924 12 WARNING neutronclient.v2_0.client [None req-e1d7105d-33d4-42e0-b323-ff2b5b57ac92 b0b0b969341c4d9c8eb916d2ed36d26c 3b2cbfbebde74460a226bcfb5a379fd6 - - 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 b87f467e-1c4a-4c96-bb63-8d2bf423f3f9.
2026-07-20 20:18:23.018 12 WARNING neutronclient.v2_0.client [None req-e1d7105d-33d4-42e0-b323-ff2b5b57ac92 b0b0b969341c4d9c8eb916d2ed36d26c 3b2cbfbebde74460a226bcfb5a379fd6 - - 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 b87f467e-1c4a-4c96-bb63-8d2bf423f3f9.
2026-07-20 20:18:55.625 10 ERROR nova.scheduler.utils [None req-f659390b-17e1-43a4-b851-6b9df8f6ba45 55a4670075ea47b9b8bba7d6826fbf3b 0375df52233c4d329b0ed3ac2237b652 - - default default] [instance: 73b389fc-e4c6-4153-bbd3-79d972ab933a] 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 73b389fc-e4c6-4153-bbd3-79d972ab933a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:18:55.626 10 WARNING nova.scheduler.utils [None req-f659390b-17e1-43a4-b851-6b9df8f6ba45 55a4670075ea47b9b8bba7d6826fbf3b 0375df52233c4d329b0ed3ac2237b652 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73b389fc-e4c6-4153-bbd3-79d972ab933a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73b389fc-e4c6-4153-bbd3-79d972ab933a.
2026-07-20 20:18:55.627 10 WARNING nova.scheduler.utils [None req-f659390b-17e1-43a4-b851-6b9df8f6ba45 55a4670075ea47b9b8bba7d6826fbf3b 0375df52233c4d329b0ed3ac2237b652 - - default default] [instance: 73b389fc-e4c6-4153-bbd3-79d972ab933a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73b389fc-e4c6-4153-bbd3-79d972ab933a.
2026-07-20 20:18:55.685 10 WARNING neutronclient.v2_0.client [None req-f659390b-17e1-43a4-b851-6b9df8f6ba45 55a4670075ea47b9b8bba7d6826fbf3b 0375df52233c4d329b0ed3ac2237b652 - - 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 73b389fc-e4c6-4153-bbd3-79d972ab933a.
2026-07-20 20:18:55.719 10 WARNING neutronclient.v2_0.client [None req-f659390b-17e1-43a4-b851-6b9df8f6ba45 55a4670075ea47b9b8bba7d6826fbf3b 0375df52233c4d329b0ed3ac2237b652 - - 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 73b389fc-e4c6-4153-bbd3-79d972ab933a.
2026-07-20 20:19:29.432 12 ERROR nova.scheduler.utils [None req-da518f73-36c7-4463-8a10-25918501ff4d 8500e6443b2b4d11a294f86f6fe44bf3 d3078d0dacd94bff862881dc7d3e5993 - - default default] [instance: da5e5e78-dd3e-43b3-9dd2-685073d6d220] 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 da5e5e78-dd3e-43b3-9dd2-685073d6d220 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:19:29.433 12 WARNING nova.scheduler.utils [None req-da518f73-36c7-4463-8a10-25918501ff4d 8500e6443b2b4d11a294f86f6fe44bf3 d3078d0dacd94bff862881dc7d3e5993 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da5e5e78-dd3e-43b3-9dd2-685073d6d220.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da5e5e78-dd3e-43b3-9dd2-685073d6d220.
2026-07-20 20:19:29.433 12 WARNING nova.scheduler.utils [None req-da518f73-36c7-4463-8a10-25918501ff4d 8500e6443b2b4d11a294f86f6fe44bf3 d3078d0dacd94bff862881dc7d3e5993 - - default default] [instance: da5e5e78-dd3e-43b3-9dd2-685073d6d220] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da5e5e78-dd3e-43b3-9dd2-685073d6d220.
2026-07-20 20:19:29.494 12 WARNING neutronclient.v2_0.client [None req-da518f73-36c7-4463-8a10-25918501ff4d 8500e6443b2b4d11a294f86f6fe44bf3 d3078d0dacd94bff862881dc7d3e5993 - - 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 da5e5e78-dd3e-43b3-9dd2-685073d6d220.
2026-07-20 20:19:29.692 12 WARNING neutronclient.v2_0.client [None req-da518f73-36c7-4463-8a10-25918501ff4d 8500e6443b2b4d11a294f86f6fe44bf3 d3078d0dacd94bff862881dc7d3e5993 - - 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 da5e5e78-dd3e-43b3-9dd2-685073d6d220.
2026-07-20 20:19:36.944 10 ERROR nova.scheduler.utils [None req-26e820fb-8be9-4220-99d2-f2fec1274b03 e1962525b49f44db84612128bc5a0511 1206a3f7738a4b28a76a2f924abbe456 - - default default] [instance: 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34] 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 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:19:36.944 10 WARNING nova.scheduler.utils [None req-26e820fb-8be9-4220-99d2-f2fec1274b03 e1962525b49f44db84612128bc5a0511 1206a3f7738a4b28a76a2f924abbe456 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34.
2026-07-20 20:19:36.945 10 WARNING nova.scheduler.utils [None req-26e820fb-8be9-4220-99d2-f2fec1274b03 e1962525b49f44db84612128bc5a0511 1206a3f7738a4b28a76a2f924abbe456 - - default default] [instance: 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34.
2026-07-20 20:19:36.993 10 WARNING neutronclient.v2_0.client [None req-26e820fb-8be9-4220-99d2-f2fec1274b03 e1962525b49f44db84612128bc5a0511 1206a3f7738a4b28a76a2f924abbe456 - - 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 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34.
2026-07-20 20:19:37.029 10 WARNING neutronclient.v2_0.client [None req-26e820fb-8be9-4220-99d2-f2fec1274b03 e1962525b49f44db84612128bc5a0511 1206a3f7738a4b28a76a2f924abbe456 - - 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 5542417b-0a0e-4cf3-a1c3-cb3ceee13f34.
2026-07-20 20:20:00.278 12 ERROR nova.scheduler.utils [None req-7f3951da-bf6e-435d-891d-b8e1393e0c58 6b6f0825f6cb4d3e94c6d8357a55136b e4276f4c1cb0445f822acd4572c9ef98 - - default default] [instance: 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465] 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 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:20:00.284 12 WARNING nova.scheduler.utils [None req-7f3951da-bf6e-435d-891d-b8e1393e0c58 6b6f0825f6cb4d3e94c6d8357a55136b e4276f4c1cb0445f822acd4572c9ef98 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465.
2026-07-20 20:20:00.284 12 WARNING nova.scheduler.utils [None req-7f3951da-bf6e-435d-891d-b8e1393e0c58 6b6f0825f6cb4d3e94c6d8357a55136b e4276f4c1cb0445f822acd4572c9ef98 - - default default] [instance: 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465.
2026-07-20 20:20:00.345 12 WARNING neutronclient.v2_0.client [None req-7f3951da-bf6e-435d-891d-b8e1393e0c58 6b6f0825f6cb4d3e94c6d8357a55136b e4276f4c1cb0445f822acd4572c9ef98 - - 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 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465.
2026-07-20 20:20:00.437 12 WARNING neutronclient.v2_0.client [None req-7f3951da-bf6e-435d-891d-b8e1393e0c58 6b6f0825f6cb4d3e94c6d8357a55136b e4276f4c1cb0445f822acd4572c9ef98 - - 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 54b8ef6d-cc06-4aa2-a3ff-d3778fa6b465.
2026-07-20 20:21:15.019 12 ERROR nova.scheduler.utils [None req-0c058971-6e99-460d-a217-1fb78c942fd0 791647fa935d4631bcdf0ebbbb35e488 b7e02076c3f74500a30f05ced6cb53bc - - default default] [instance: e6285310-acc7-434d-b304-8eb9d29df7bb] 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 e6285310-acc7-434d-b304-8eb9d29df7bb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:21:15.020 12 WARNING nova.scheduler.utils [None req-0c058971-6e99-460d-a217-1fb78c942fd0 791647fa935d4631bcdf0ebbbb35e488 b7e02076c3f74500a30f05ced6cb53bc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e6285310-acc7-434d-b304-8eb9d29df7bb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e6285310-acc7-434d-b304-8eb9d29df7bb.
2026-07-20 20:21:15.021 12 WARNING nova.scheduler.utils [None req-0c058971-6e99-460d-a217-1fb78c942fd0 791647fa935d4631bcdf0ebbbb35e488 b7e02076c3f74500a30f05ced6cb53bc - - default default] [instance: e6285310-acc7-434d-b304-8eb9d29df7bb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e6285310-acc7-434d-b304-8eb9d29df7bb.
2026-07-20 20:21:15.063 12 WARNING neutronclient.v2_0.client [None req-0c058971-6e99-460d-a217-1fb78c942fd0 791647fa935d4631bcdf0ebbbb35e488 b7e02076c3f74500a30f05ced6cb53bc - - 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 e6285310-acc7-434d-b304-8eb9d29df7bb.
2026-07-20 20:21:15.103 12 WARNING neutronclient.v2_0.client [None req-0c058971-6e99-460d-a217-1fb78c942fd0 791647fa935d4631bcdf0ebbbb35e488 b7e02076c3f74500a30f05ced6cb53bc - - 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 e6285310-acc7-434d-b304-8eb9d29df7bb.