+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 18:45:26.349 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 18:45:26.568 1 INFO cinder.rpc [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 18:45:26.570 1 INFO cinder.rpc [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-07 18:45:26.573 1 INFO cinder.rpc [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 18:45:26.577 1 INFO cinder.rpc [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-07 18:45:26.580 1 INFO cinder.rpc [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 18:45:26.583 1 INFO cinder.rpc [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 18:45:26.715 1 WARNING oslo_config.cfg [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-09-07 18:45:26.715 1 WARNING oslo_config.cfg [None req-36970ed2-71c0-4c78-be08-1ac2ff25aa73 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 18:45:26.724 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0)
2026-09-07 18:45:26.741 1 INFO cinder.backup.manager [None req-bc10401b-a696-4bcd-838b-fbf3692a10d2 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 18:45:26.798 1 INFO cinder.keymgr.migration [None req-d709c5de-4c69-4281-b028-3d2ed15dc406 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.