+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-20 01:43:38.098 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-20 01:43:38.392 1 INFO cinder.rpc [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-20 01:43:38.394 1 INFO cinder.rpc [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-20 01:43:38.397 1 INFO cinder.rpc [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-20 01:43:38.399 1 INFO cinder.rpc [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-20 01:43:38.401 1 INFO cinder.rpc [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-20 01:43:38.403 1 INFO cinder.rpc [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-20 01:43:38.462 1 WARNING oslo_config.cfg [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] 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.
2026-08-20 01:43:38.463 1 WARNING oslo_config.cfg [None req-0f795a74-bad3-4650-8a0e-68c145482f3a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-20 01:43:38.472 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-20 01:43:38.496 1 INFO cinder.backup.manager [None req-01d2647c-00fe-4916-8a0d-15f166414b80 - - - - - -] Cleaning up incomplete backup operations.
2026-08-20 01:43:38.540 1 INFO cinder.keymgr.migration [None req-77c8dbca-cc98-40de-9fe6-f2ee67670c7c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.