+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-09 22:10:16.055 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-09 22:10:16.285 1 INFO cinder.rpc [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-09 22:10:16.288 1 INFO cinder.rpc [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-05-09 22:10:16.291 1 INFO cinder.rpc [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-09 22:10:16.299 1 INFO cinder.rpc [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-09 22:10:16.304 1 INFO cinder.rpc [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-09 22:10:16.307 1 INFO cinder.rpc [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-09 22:10:16.363 1 WARNING oslo_config.cfg [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] 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.
2026-05-09 22:10:16.364 1 WARNING oslo_config.cfg [None req-399e2b4d-f35d-475c-bb17-13870b6cbb31 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-09 22:10:16.377 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-05-09 22:10:16.394 1 INFO cinder.backup.manager [None req-764fbbee-4e2d-4535-80f0-da44f965561c - - - - - -] Cleaning up incomplete backup operations.
2026-05-09 22:10:16.517 1 INFO cinder.keymgr.migration [None req-9573305f-3760-4d8d-9c46-3ad0cad0f445 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.