+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-01 07:50:37.502 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-01 07:50:37.723 1 INFO cinder.rpc [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-01 07:50:37.726 1 INFO cinder.rpc [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-01 07:50:37.728 1 INFO cinder.rpc [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-01 07:50:37.730 1 INFO cinder.rpc [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-01 07:50:37.733 1 INFO cinder.rpc [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-01 07:50:37.736 1 INFO cinder.rpc [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-01 07:50:37.796 1 WARNING oslo_config.cfg [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] 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.
2026-07-01 07:50:37.797 1 WARNING oslo_config.cfg [None req-1b908e35-d6fa-4165-86fa-eec854178ff0 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-01 07:50:37.809 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-01 07:50:37.830 1 INFO cinder.backup.manager [None req-9fbe9ede-410b-4f9a-bae2-3932b42c9513 - - - - - -] Cleaning up incomplete backup operations.
2026-07-01 07:50:37.964 1 INFO cinder.keymgr.migration [None req-66e7458d-9c6b-4dab-8527-5dd596577ba3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.