+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-18 23:29:03.404 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-18 23:29:03.709 1 INFO cinder.rpc [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-18 23:29:03.713 1 INFO cinder.rpc [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-18 23:29:03.715 1 INFO cinder.rpc [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-18 23:29:03.718 1 INFO cinder.rpc [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-18 23:29:03.721 1 INFO cinder.rpc [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-18 23:29:03.723 1 INFO cinder.rpc [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-18 23:29:03.791 1 WARNING oslo_config.cfg [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] 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.
2026-09-18 23:29:03.792 1 WARNING oslo_config.cfg [None req-7874a3f2-e3cd-4dde-9e87-c9cdc73401fd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-18 23:29:03.801 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.0)
2026-09-18 23:29:03.826 1 INFO cinder.backup.manager [None req-c87e8d51-32e1-44c7-aea6-95abac5622a8 - - - - - -] Cleaning up incomplete backup operations.
2026-09-18 23:29:03.894 1 INFO cinder.keymgr.migration [None req-9bf4b241-b254-4c80-b511-c7fb287d8618 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.