+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-13 18:53:41.446 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-13 18:53:41.760 1 INFO cinder.rpc [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-13 18:53:41.763 1 INFO cinder.rpc [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-13 18:53:41.765 1 INFO cinder.rpc [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-13 18:53:41.770 1 INFO cinder.rpc [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-13 18:53:41.791 1 INFO cinder.rpc [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-13 18:53:41.795 1 INFO cinder.rpc [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-13 18:53:41.871 1 WARNING oslo_config.cfg [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] 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.
2026-08-13 18:53:41.872 1 WARNING oslo_config.cfg [None req-935a96fb-30ad-4a1e-9b35-0099cd07592b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-13 18:53:41.882 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-13 18:53:41.909 1 INFO cinder.backup.manager [None req-de1bf21e-7c2f-4fbf-b8a6-a30efc2fbdd9 - - - - - -] Cleaning up incomplete backup operations.
2026-08-13 18:53:41.954 1 INFO cinder.keymgr.migration [None req-f42d6a59-7aa2-40f3-9fc6-8678213a47e2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.