+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-21 22:46:29.482 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-21 22:46:29.765 1 INFO cinder.rpc [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-21 22:46:29.768 1 INFO cinder.rpc [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-21 22:46:29.770 1 INFO cinder.rpc [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-21 22:46:29.772 1 INFO cinder.rpc [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-21 22:46:29.775 1 INFO cinder.rpc [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-21 22:46:29.777 1 INFO cinder.rpc [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-21 22:46:29.845 1 WARNING oslo_config.cfg [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] 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.
2026-08-21 22:46:29.846 1 WARNING oslo_config.cfg [None req-d39c7bce-7f4e-4e5a-ae6a-1be96ab0d1be - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-21 22:46:29.855 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-21 22:46:29.879 1 INFO cinder.backup.manager [None req-871adf7f-6799-434f-993f-c6ba45d463c7 - - - - - -] Cleaning up incomplete backup operations.
2026-08-21 22:46:29.943 1 INFO cinder.keymgr.migration [None req-9aa22700-ca7e-4526-99bb-2e13a5cbfcbf - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.