+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-26 17:18:51.069 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-26 17:18:51.354 1 INFO cinder.rpc [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-26 17:18:51.356 1 INFO cinder.rpc [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-26 17:18:51.358 1 INFO cinder.rpc [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-26 17:18:51.360 1 INFO cinder.rpc [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-26 17:18:51.363 1 INFO cinder.rpc [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-26 17:18:51.366 1 INFO cinder.rpc [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-26 17:18:51.450 1 WARNING oslo_config.cfg [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] 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 17:18:51.451 1 WARNING oslo_config.cfg [None req-67630d21-84fb-430c-a5c0-a28feaf4c7c4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-26 17:18:51.463 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-26 17:18:51.488 1 INFO cinder.backup.manager [None req-fdb6aa1f-5ed8-4193-87ae-d2e04c28b699 - - - - - -] Cleaning up incomplete backup operations.
2026-07-26 17:18:51.565 1 INFO cinder.keymgr.migration [None req-288c3c8a-af04-4dd9-966a-8803a37b4cb7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.