+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-22 02:34:47.493 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-22 02:34:47.703 1 INFO cinder.rpc [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-22 02:34:47.706 1 INFO cinder.rpc [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-22 02:34:47.708 1 INFO cinder.rpc [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-22 02:34:47.711 1 INFO cinder.rpc [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-22 02:34:47.714 1 INFO cinder.rpc [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-22 02:34:47.717 1 INFO cinder.rpc [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-22 02:34:47.765 1 WARNING oslo_config.cfg [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] 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.
2026-09-22 02:34:47.766 1 WARNING oslo_config.cfg [None req-59578235-fa2e-4e69-98e6-4510fdc4c525 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-22 02:34:47.774 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2)
2026-09-22 02:34:47.790 1 INFO cinder.backup.manager [None req-8a0ab45f-f9ea-4e3e-9abd-721aea1486b0 - - - - - -] Cleaning up incomplete backup operations.
2026-09-22 02:34:47.909 1 INFO cinder.keymgr.migration [None req-0e69f718-3154-408a-8377-1ec18e532c33 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.