+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-06 07:30:40.904 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-06 07:30:41.189 1 INFO cinder.rpc [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-06 07:30:41.192 1 INFO cinder.rpc [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-06 07:30:41.196 1 INFO cinder.rpc [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-06 07:30:41.198 1 INFO cinder.rpc [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-06 07:30:41.201 1 INFO cinder.rpc [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-06 07:30:41.204 1 INFO cinder.rpc [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-06 07:30:41.266 1 WARNING oslo_config.cfg [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] 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.
2026-08-06 07:30:41.267 1 WARNING oslo_config.cfg [None req-52cb8bb2-2999-49bf-8e7c-26915a7caaf4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-06 07:30:41.276 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-06 07:30:41.300 1 INFO cinder.backup.manager [None req-0c0c716a-cd5d-4d7d-9104-b1024ef00440 - - - - - -] Cleaning up incomplete backup operations.
2026-08-06 07:30:41.352 1 INFO cinder.keymgr.migration [None req-efaa7cc1-7c17-44af-97e5-0fdc4ae03ac7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.