+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-17 13:14:52.306 1 INFO nova.utils [None req-aa6546f8-a761-42ca-8193-7487f5bc9c70 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-17 13:14:52.473 1 INFO nova.utils [None req-aa6546f8-a761-42ca-8193-7487f5bc9c70 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-17 13:14:53.471 1 INFO nova.utils [None req-aa6546f8-a761-42ca-8193-7487f5bc9c70 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-17 13:14:53.475 1 WARNING oslo_service.backend._threading.service [None req-aa6546f8-a761-42ca-8193-7487f5bc9c70 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-17 13:14:53.486 1 WARNING oslo_config.cfg [None req-aa6546f8-a761-42ca-8193-7487f5bc9c70 - - - - - -] 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 13:14:53.538 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 13:14:53.550 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 13:52:46.032 12 INFO nova.utils [None req-c9fff566-8dfe-4d46-8951-94faaedba67e 85af866f89c24ddcb18397c4a9ab60c4 142bdb7271a845eaa9b6bb83d918d31c - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-17 13:52:46.194 12 INFO nova.compute.rpcapi [None req-1e19491b-7e0e-4f99-843e-cd7e4b106a41 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 13:52:46.362 10 INFO nova.utils [None req-6e960099-f113-4fd1-803e-25b1854e85f4 e66c532b32774d5ba378d1bd765351c8 0e0d4b87e279425eaa3f237e3408ce7a - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-17 13:52:46.494 10 INFO nova.compute.rpcapi [None req-80223df6-c774-4728-b87e-019d88471d30 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 13:53:01.169 12 ERROR nova.scheduler.utils [None req-c9fff566-8dfe-4d46-8951-94faaedba67e 85af866f89c24ddcb18397c4a9ab60c4 142bdb7271a845eaa9b6bb83d918d31c - - default default] [instance: 79d0d06e-f875-4982-b463-942bca37572e] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 79d0d06e-f875-4982-b463-942bca37572e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:53:01.170 12 WARNING nova.scheduler.utils [None req-c9fff566-8dfe-4d46-8951-94faaedba67e 85af866f89c24ddcb18397c4a9ab60c4 142bdb7271a845eaa9b6bb83d918d31c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79d0d06e-f875-4982-b463-942bca37572e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79d0d06e-f875-4982-b463-942bca37572e.
2026-07-17 13:53:01.171 12 WARNING nova.scheduler.utils [None req-c9fff566-8dfe-4d46-8951-94faaedba67e 85af866f89c24ddcb18397c4a9ab60c4 142bdb7271a845eaa9b6bb83d918d31c - - default default] [instance: 79d0d06e-f875-4982-b463-942bca37572e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79d0d06e-f875-4982-b463-942bca37572e.
2026-07-17 13:53:01.242 12 WARNING neutronclient.v2_0.client [None req-c9fff566-8dfe-4d46-8951-94faaedba67e 85af866f89c24ddcb18397c4a9ab60c4 142bdb7271a845eaa9b6bb83d918d31c - - 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 79d0d06e-f875-4982-b463-942bca37572e.
2026-07-17 13:53:01.688 12 WARNING neutronclient.v2_0.client [None req-c9fff566-8dfe-4d46-8951-94faaedba67e 85af866f89c24ddcb18397c4a9ab60c4 142bdb7271a845eaa9b6bb83d918d31c - - 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 79d0d06e-f875-4982-b463-942bca37572e.
2026-07-17 13:53:02.907 12 ERROR nova.scheduler.utils [None req-6e960099-f113-4fd1-803e-25b1854e85f4 e66c532b32774d5ba378d1bd765351c8 0e0d4b87e279425eaa3f237e3408ce7a - - default default] [instance: a6a00d0e-d87f-4712-911c-1c89b202a0e8] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a6a00d0e-d87f-4712-911c-1c89b202a0e8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:53:02.908 12 WARNING nova.scheduler.utils [None req-6e960099-f113-4fd1-803e-25b1854e85f4 e66c532b32774d5ba378d1bd765351c8 0e0d4b87e279425eaa3f237e3408ce7a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6a00d0e-d87f-4712-911c-1c89b202a0e8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6a00d0e-d87f-4712-911c-1c89b202a0e8.
2026-07-17 13:53:02.908 12 WARNING nova.scheduler.utils [None req-6e960099-f113-4fd1-803e-25b1854e85f4 e66c532b32774d5ba378d1bd765351c8 0e0d4b87e279425eaa3f237e3408ce7a - - default default] [instance: a6a00d0e-d87f-4712-911c-1c89b202a0e8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6a00d0e-d87f-4712-911c-1c89b202a0e8.
2026-07-17 13:53:02.960 12 WARNING neutronclient.v2_0.client [None req-6e960099-f113-4fd1-803e-25b1854e85f4 e66c532b32774d5ba378d1bd765351c8 0e0d4b87e279425eaa3f237e3408ce7a - - 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 a6a00d0e-d87f-4712-911c-1c89b202a0e8.
2026-07-17 13:53:03.110 12 WARNING neutronclient.v2_0.client [None req-6e960099-f113-4fd1-803e-25b1854e85f4 e66c532b32774d5ba378d1bd765351c8 0e0d4b87e279425eaa3f237e3408ce7a - - 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 a6a00d0e-d87f-4712-911c-1c89b202a0e8.
2026-07-17 13:53:07.091 12 ERROR nova.scheduler.utils [None req-5ceb3523-c613-43b4-ae9f-0ba9ddd2a897 971208420f12416fb686c02fd95ef1c3 e5431093d9a44118a3499ea68956c1c0 - - default default] [instance: d64d5294-ac4b-4816-9c11-9bf823f44f67] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d64d5294-ac4b-4816-9c11-9bf823f44f67 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:53:07.092 12 WARNING nova.scheduler.utils [None req-5ceb3523-c613-43b4-ae9f-0ba9ddd2a897 971208420f12416fb686c02fd95ef1c3 e5431093d9a44118a3499ea68956c1c0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d64d5294-ac4b-4816-9c11-9bf823f44f67.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d64d5294-ac4b-4816-9c11-9bf823f44f67.
2026-07-17 13:53:07.093 12 WARNING nova.scheduler.utils [None req-5ceb3523-c613-43b4-ae9f-0ba9ddd2a897 971208420f12416fb686c02fd95ef1c3 e5431093d9a44118a3499ea68956c1c0 - - default default] [instance: d64d5294-ac4b-4816-9c11-9bf823f44f67] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d64d5294-ac4b-4816-9c11-9bf823f44f67.
2026-07-17 13:53:07.146 12 WARNING neutronclient.v2_0.client [None req-5ceb3523-c613-43b4-ae9f-0ba9ddd2a897 971208420f12416fb686c02fd95ef1c3 e5431093d9a44118a3499ea68956c1c0 - - 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 d64d5294-ac4b-4816-9c11-9bf823f44f67.
2026-07-17 13:53:07.391 12 WARNING neutronclient.v2_0.client [None req-5ceb3523-c613-43b4-ae9f-0ba9ddd2a897 971208420f12416fb686c02fd95ef1c3 e5431093d9a44118a3499ea68956c1c0 - - 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 d64d5294-ac4b-4816-9c11-9bf823f44f67.
2026-07-17 13:53:30.236 10 ERROR nova.scheduler.utils [None req-6087c137-b272-440b-862c-c46782cd2a9e 6f141f8f728843fb9914cf4bc6c35407 6c467c3e20994756826d2e49a29b5f9f - - default default] [instance: 7f9b4772-692f-47d3-b0a6-cee001ef6c0a] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 7f9b4772-692f-47d3-b0a6-cee001ef6c0a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:53:30.237 10 WARNING nova.scheduler.utils [None req-6087c137-b272-440b-862c-c46782cd2a9e 6f141f8f728843fb9914cf4bc6c35407 6c467c3e20994756826d2e49a29b5f9f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f9b4772-692f-47d3-b0a6-cee001ef6c0a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f9b4772-692f-47d3-b0a6-cee001ef6c0a.
2026-07-17 13:53:30.237 10 WARNING nova.scheduler.utils [None req-6087c137-b272-440b-862c-c46782cd2a9e 6f141f8f728843fb9914cf4bc6c35407 6c467c3e20994756826d2e49a29b5f9f - - default default] [instance: 7f9b4772-692f-47d3-b0a6-cee001ef6c0a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7f9b4772-692f-47d3-b0a6-cee001ef6c0a.
2026-07-17 13:53:30.330 10 WARNING neutronclient.v2_0.client [None req-6087c137-b272-440b-862c-c46782cd2a9e 6f141f8f728843fb9914cf4bc6c35407 6c467c3e20994756826d2e49a29b5f9f - - 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 7f9b4772-692f-47d3-b0a6-cee001ef6c0a.
2026-07-17 13:53:30.832 10 WARNING neutronclient.v2_0.client [None req-6087c137-b272-440b-862c-c46782cd2a9e 6f141f8f728843fb9914cf4bc6c35407 6c467c3e20994756826d2e49a29b5f9f - - 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 7f9b4772-692f-47d3-b0a6-cee001ef6c0a.
2026-07-17 13:53:36.124 12 ERROR nova.scheduler.utils [None req-4a13629f-1062-4f59-9c5d-1f9f7a79b0e2 d3ba80a38205433f964fed69991dddb0 4eb87d512ce4423ba5f307e3e42c55ae - - default default] [instance: 785052e7-cd8e-4434-95ef-fe5b3a96632d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 785052e7-cd8e-4434-95ef-fe5b3a96632d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:53:36.125 12 WARNING nova.scheduler.utils [None req-4a13629f-1062-4f59-9c5d-1f9f7a79b0e2 d3ba80a38205433f964fed69991dddb0 4eb87d512ce4423ba5f307e3e42c55ae - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 785052e7-cd8e-4434-95ef-fe5b3a96632d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 785052e7-cd8e-4434-95ef-fe5b3a96632d.
2026-07-17 13:53:36.125 12 WARNING nova.scheduler.utils [None req-4a13629f-1062-4f59-9c5d-1f9f7a79b0e2 d3ba80a38205433f964fed69991dddb0 4eb87d512ce4423ba5f307e3e42c55ae - - default default] [instance: 785052e7-cd8e-4434-95ef-fe5b3a96632d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 785052e7-cd8e-4434-95ef-fe5b3a96632d.
2026-07-17 13:53:36.177 12 WARNING neutronclient.v2_0.client [None req-4a13629f-1062-4f59-9c5d-1f9f7a79b0e2 d3ba80a38205433f964fed69991dddb0 4eb87d512ce4423ba5f307e3e42c55ae - - 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 785052e7-cd8e-4434-95ef-fe5b3a96632d.
2026-07-17 13:53:36.211 12 WARNING neutronclient.v2_0.client [None req-4a13629f-1062-4f59-9c5d-1f9f7a79b0e2 d3ba80a38205433f964fed69991dddb0 4eb87d512ce4423ba5f307e3e42c55ae - - 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 785052e7-cd8e-4434-95ef-fe5b3a96632d.
2026-07-17 13:53:47.372 10 ERROR nova.scheduler.utils [None req-4d85d6ed-366a-4c88-adb1-053def1223ca 724823cc9c3a4f129d5b985231cab9be 1db612ffdf4d4c87952afa29ee3d24fa - - default default] [instance: fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:53:47.373 10 WARNING nova.scheduler.utils [None req-4d85d6ed-366a-4c88-adb1-053def1223ca 724823cc9c3a4f129d5b985231cab9be 1db612ffdf4d4c87952afa29ee3d24fa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56.
2026-07-17 13:53:47.373 10 WARNING nova.scheduler.utils [None req-4d85d6ed-366a-4c88-adb1-053def1223ca 724823cc9c3a4f129d5b985231cab9be 1db612ffdf4d4c87952afa29ee3d24fa - - default default] [instance: fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56.
2026-07-17 13:53:47.412 10 WARNING neutronclient.v2_0.client [None req-4d85d6ed-366a-4c88-adb1-053def1223ca 724823cc9c3a4f129d5b985231cab9be 1db612ffdf4d4c87952afa29ee3d24fa - - 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 fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56.
2026-07-17 13:53:47.606 10 WARNING neutronclient.v2_0.client [None req-4d85d6ed-366a-4c88-adb1-053def1223ca 724823cc9c3a4f129d5b985231cab9be 1db612ffdf4d4c87952afa29ee3d24fa - - 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 fd8d1f79-8ef0-4401-a6e7-d9e9bf2b3c56.
2026-07-17 13:55:38.914 12 ERROR nova.scheduler.utils [None req-84586ec3-813e-4e20-aa78-9f7a7863a00a 8220a66db5554cf8acf30236546d76fc fde65b5c67684166bdc799952b0bd3cb - - default default] [instance: d2d15a66-a26f-4807-9f33-9743de118051] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d2d15a66-a26f-4807-9f33-9743de118051 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:55:38.915 12 WARNING nova.scheduler.utils [None req-84586ec3-813e-4e20-aa78-9f7a7863a00a 8220a66db5554cf8acf30236546d76fc fde65b5c67684166bdc799952b0bd3cb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2d15a66-a26f-4807-9f33-9743de118051.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2d15a66-a26f-4807-9f33-9743de118051.
2026-07-17 13:55:38.916 12 WARNING nova.scheduler.utils [None req-84586ec3-813e-4e20-aa78-9f7a7863a00a 8220a66db5554cf8acf30236546d76fc fde65b5c67684166bdc799952b0bd3cb - - default default] [instance: d2d15a66-a26f-4807-9f33-9743de118051] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2d15a66-a26f-4807-9f33-9743de118051.
2026-07-17 13:55:38.970 12 WARNING neutronclient.v2_0.client [None req-84586ec3-813e-4e20-aa78-9f7a7863a00a 8220a66db5554cf8acf30236546d76fc fde65b5c67684166bdc799952b0bd3cb - - 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 d2d15a66-a26f-4807-9f33-9743de118051.
2026-07-17 13:55:38.997 12 WARNING neutronclient.v2_0.client [None req-84586ec3-813e-4e20-aa78-9f7a7863a00a 8220a66db5554cf8acf30236546d76fc fde65b5c67684166bdc799952b0bd3cb - - 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 d2d15a66-a26f-4807-9f33-9743de118051.
2026-07-17 13:56:16.907 10 ERROR nova.scheduler.utils [None req-620b750e-ac53-4f9f-9953-c7389ed32413 20cb9c76a6804859a7c62fa3e659bb82 c5014cf2450d4373b82a199029d792ba - - default default] [instance: 08b44888-044d-4b03-9eee-b94e68b48087] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 08b44888-044d-4b03-9eee-b94e68b48087 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:56:16.909 10 WARNING nova.scheduler.utils [None req-620b750e-ac53-4f9f-9953-c7389ed32413 20cb9c76a6804859a7c62fa3e659bb82 c5014cf2450d4373b82a199029d792ba - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 08b44888-044d-4b03-9eee-b94e68b48087.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 08b44888-044d-4b03-9eee-b94e68b48087.
2026-07-17 13:56:16.910 10 WARNING nova.scheduler.utils [None req-620b750e-ac53-4f9f-9953-c7389ed32413 20cb9c76a6804859a7c62fa3e659bb82 c5014cf2450d4373b82a199029d792ba - - default default] [instance: 08b44888-044d-4b03-9eee-b94e68b48087] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 08b44888-044d-4b03-9eee-b94e68b48087.
2026-07-17 13:56:16.950 10 WARNING neutronclient.v2_0.client [None req-620b750e-ac53-4f9f-9953-c7389ed32413 20cb9c76a6804859a7c62fa3e659bb82 c5014cf2450d4373b82a199029d792ba - - 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 08b44888-044d-4b03-9eee-b94e68b48087.
2026-07-17 13:56:16.977 10 WARNING neutronclient.v2_0.client [None req-620b750e-ac53-4f9f-9953-c7389ed32413 20cb9c76a6804859a7c62fa3e659bb82 c5014cf2450d4373b82a199029d792ba - - 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 08b44888-044d-4b03-9eee-b94e68b48087.
2026-07-17 13:56:27.680 10 ERROR nova.scheduler.utils [None req-4514600a-3d23-451d-a609-1465d472b9bf c4dd8651934645e68775a16f19b40056 605260a776b2452598f9279de2f097ac - - default default] [instance: b6017119-b263-4d61-ba9b-6a3c79ea8191] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance b6017119-b263-4d61-ba9b-6a3c79ea8191 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:56:27.681 10 WARNING nova.scheduler.utils [None req-4514600a-3d23-451d-a609-1465d472b9bf c4dd8651934645e68775a16f19b40056 605260a776b2452598f9279de2f097ac - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b6017119-b263-4d61-ba9b-6a3c79ea8191.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b6017119-b263-4d61-ba9b-6a3c79ea8191.
2026-07-17 13:56:27.681 10 WARNING nova.scheduler.utils [None req-4514600a-3d23-451d-a609-1465d472b9bf c4dd8651934645e68775a16f19b40056 605260a776b2452598f9279de2f097ac - - default default] [instance: b6017119-b263-4d61-ba9b-6a3c79ea8191] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b6017119-b263-4d61-ba9b-6a3c79ea8191.
2026-07-17 13:56:27.731 10 WARNING neutronclient.v2_0.client [None req-4514600a-3d23-451d-a609-1465d472b9bf c4dd8651934645e68775a16f19b40056 605260a776b2452598f9279de2f097ac - - 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 b6017119-b263-4d61-ba9b-6a3c79ea8191.
2026-07-17 13:56:27.770 10 WARNING neutronclient.v2_0.client [None req-4514600a-3d23-451d-a609-1465d472b9bf c4dd8651934645e68775a16f19b40056 605260a776b2452598f9279de2f097ac - - 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 b6017119-b263-4d61-ba9b-6a3c79ea8191.
2026-07-17 13:56:55.060 10 ERROR nova.scheduler.utils [None req-a940e48d-40b9-43de-b242-77555287b923 7d78f3840c4b41d28a79f01c250df18f c318c00ea42c4c91961961da0851a5cb - - default default] [instance: 724b7dd3-8496-485c-a9a8-c77c07f6f2ad] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 724b7dd3-8496-485c-a9a8-c77c07f6f2ad was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 13:56:55.061 10 WARNING nova.scheduler.utils [None req-a940e48d-40b9-43de-b242-77555287b923 7d78f3840c4b41d28a79f01c250df18f c318c00ea42c4c91961961da0851a5cb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 724b7dd3-8496-485c-a9a8-c77c07f6f2ad.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 724b7dd3-8496-485c-a9a8-c77c07f6f2ad.
2026-07-17 13:56:55.062 10 WARNING nova.scheduler.utils [None req-a940e48d-40b9-43de-b242-77555287b923 7d78f3840c4b41d28a79f01c250df18f c318c00ea42c4c91961961da0851a5cb - - default default] [instance: 724b7dd3-8496-485c-a9a8-c77c07f6f2ad] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 724b7dd3-8496-485c-a9a8-c77c07f6f2ad.
2026-07-17 13:56:55.113 10 WARNING neutronclient.v2_0.client [None req-a940e48d-40b9-43de-b242-77555287b923 7d78f3840c4b41d28a79f01c250df18f c318c00ea42c4c91961961da0851a5cb - - 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 724b7dd3-8496-485c-a9a8-c77c07f6f2ad.
2026-07-17 13:56:55.147 10 WARNING neutronclient.v2_0.client [None req-a940e48d-40b9-43de-b242-77555287b923 7d78f3840c4b41d28a79f01c250df18f c318c00ea42c4c91961961da0851a5cb - - 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 724b7dd3-8496-485c-a9a8-c77c07f6f2ad.