+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-13 01:31:13.759 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-13 01:31:13.983 1 INFO cinder.rpc [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-13 01:31:13.986 1 INFO cinder.rpc [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-13 01:31:13.988 1 INFO cinder.rpc [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-13 01:31:13.990 1 INFO cinder.rpc [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-13 01:31:13.993 1 INFO cinder.rpc [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-13 01:31:13.995 1 INFO cinder.rpc [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-13 01:31:14.041 1 WARNING oslo_config.cfg [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] 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.
2026-08-13 01:31:14.042 1 WARNING oslo_config.cfg [None req-9872df0a-2247-4b66-a49c-2099322a5c9a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-13 01:31:14.052 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-08-13 01:31:14.070 1 INFO cinder.backup.manager [None req-af72d7fa-8bad-4f17-9013-1421ae0af6f5 - - - - - -] Cleaning up incomplete backup operations.
2026-08-13 01:31:14.198 1 INFO cinder.keymgr.migration [None req-ab011e14-cd46-4210-9083-218a0600994c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.