+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-04 15:50:36.639 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-04 15:50:36.923 1 INFO cinder.rpc [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-04 15:50:36.925 1 INFO cinder.rpc [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-04 15:50:36.927 1 INFO cinder.rpc [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-04 15:50:36.929 1 INFO cinder.rpc [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-04 15:50:36.932 1 INFO cinder.rpc [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-04 15:50:36.935 1 INFO cinder.rpc [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-04 15:50:36.995 1 WARNING oslo_config.cfg [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] 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.
2026-08-04 15:50:36.996 1 WARNING oslo_config.cfg [None req-b1ec86b1-d90f-4ac6-9206-d41984d124ca - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-04 15:50:37.005 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-04 15:50:37.030 1 INFO cinder.backup.manager [None req-872ae705-8652-441b-ac68-b32e0e1c9d12 - - - - - -] Cleaning up incomplete backup operations.
2026-08-04 15:50:37.071 1 INFO cinder.keymgr.migration [None req-513d1802-10fd-4a65-be30-8888d93eb172 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.