+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-26 10:47:41.951 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-26 10:47:42.265 1 INFO cinder.rpc [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-26 10:47:42.269 1 INFO cinder.rpc [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-26 10:47:42.271 1 INFO cinder.rpc [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-26 10:47:42.274 1 INFO cinder.rpc [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-26 10:47:42.277 1 INFO cinder.rpc [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-26 10:47:42.280 1 INFO cinder.rpc [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-26 10:47:42.353 1 WARNING oslo_config.cfg [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] 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.
2026-07-26 10:47:42.354 1 WARNING oslo_config.cfg [None req-497b3325-a107-4f0b-b5a3-9eb587706462 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-26 10:47:42.362 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-26 10:47:42.389 1 INFO cinder.backup.manager [None req-0e849d65-48f7-41d0-8208-7b4837ff41fd - - - - - -] Cleaning up incomplete backup operations.
2026-07-26 10:47:42.462 1 INFO cinder.keymgr.migration [None req-15875f14-2e08-495f-9583-ae3539f19045 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.