+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-23 19:52:24.242 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-23 19:52:24.527 1 INFO cinder.rpc [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-23 19:52:24.530 1 INFO cinder.rpc [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-23 19:52:24.533 1 INFO cinder.rpc [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-23 19:52:24.536 1 INFO cinder.rpc [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-23 19:52:24.539 1 INFO cinder.rpc [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-23 19:52:24.542 1 INFO cinder.rpc [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-23 19:52:24.604 1 WARNING oslo_config.cfg [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] 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.
2026-07-23 19:52:24.605 1 WARNING oslo_config.cfg [None req-0ea1e5c8-c162-4760-9695-1c8370928665 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-23 19:52:24.614 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-23 19:52:24.642 1 INFO cinder.backup.manager [None req-be968de8-7c5a-4847-bd14-4fc096dd9ad7 - - - - - -] Cleaning up incomplete backup operations.
2026-07-23 19:52:24.710 1 INFO cinder.keymgr.migration [None req-eb57a018-95ce-4516-8f9a-75edacee83e2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.