+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-28 06:38:54.068 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-28 06:38:54.330 1 INFO cinder.rpc [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-28 06:38:54.332 1 INFO cinder.rpc [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-28 06:38:54.334 1 INFO cinder.rpc [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-28 06:38:54.336 1 INFO cinder.rpc [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-28 06:38:54.339 1 INFO cinder.rpc [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-28 06:38:54.341 1 INFO cinder.rpc [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-28 06:38:54.405 1 WARNING oslo_config.cfg [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] 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.
2026-08-28 06:38:54.406 1 WARNING oslo_config.cfg [None req-bdc5d749-d91a-4f81-9d2f-29da02bbfa01 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-28 06:38:54.414 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-28 06:38:54.437 1 INFO cinder.backup.manager [None req-794f9e62-760a-4fc2-adc8-00463d3f1183 - - - - - -] Cleaning up incomplete backup operations.
2026-08-28 06:38:54.492 1 INFO cinder.keymgr.migration [None req-1b6513a7-f8e0-4803-b70f-1df23395da42 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.