+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-08 21:59:51.076 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-08 21:59:51.353 1 INFO cinder.rpc [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-08 21:59:51.355 1 INFO cinder.rpc [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-08 21:59:51.358 1 INFO cinder.rpc [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-08 21:59:51.361 1 INFO cinder.rpc [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-08 21:59:51.364 1 INFO cinder.rpc [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-08 21:59:51.367 1 INFO cinder.rpc [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-08 21:59:51.427 1 WARNING oslo_config.cfg [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] 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.
2026-07-08 21:59:51.427 1 WARNING oslo_config.cfg [None req-1f89bac7-e66f-4fd3-bacd-2eef9a847a8a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-08 21:59:51.436 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-07-08 21:59:51.460 1 INFO cinder.backup.manager [None req-0931b5cb-53cd-4740-b069-039704c1f6fc - - - - - -] Cleaning up incomplete backup operations.
2026-07-08 21:59:51.497 1 INFO cinder.keymgr.migration [None req-72287195-83ae-4184-9ba5-c6702e148050 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.