+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-18 15:54:42.188 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-18 15:54:42.408 1 INFO cinder.rpc [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-18 15:54:42.411 1 INFO cinder.rpc [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-18 15:54:42.413 1 INFO cinder.rpc [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-18 15:54:42.416 1 INFO cinder.rpc [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-18 15:54:42.418 1 INFO cinder.rpc [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-18 15:54:42.420 1 INFO cinder.rpc [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-18 15:54:42.539 1 WARNING oslo_config.cfg [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] 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.
2026-09-18 15:54:42.540 1 WARNING oslo_config.cfg [None req-024dac89-8be4-45ae-908d-85f60e384830 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-18 15:54:42.549 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0)
2026-09-18 15:54:42.566 1 INFO cinder.backup.manager [None req-d5f5c14a-4958-4f2f-88dc-414252bbc2c9 - - - - - -] Cleaning up incomplete backup operations.
2026-09-18 15:54:42.624 1 INFO cinder.keymgr.migration [None req-d33392ef-b7cb-40f2-a6e9-19b9948eb0f6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.