+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-02 16:55:35.339 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-02 16:55:35.651 1 INFO cinder.rpc [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-02 16:55:35.654 1 INFO cinder.rpc [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-02 16:55:35.656 1 INFO cinder.rpc [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-02 16:55:35.658 1 INFO cinder.rpc [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-02 16:55:35.661 1 INFO cinder.rpc [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-02 16:55:35.665 1 INFO cinder.rpc [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-02 16:55:35.746 1 WARNING oslo_config.cfg [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] 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.
2026-09-02 16:55:35.748 1 WARNING oslo_config.cfg [None req-8c44bd09-3577-4e22-9522-78e6ebbb248e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-02 16:55:35.765 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-02 16:55:35.798 1 INFO cinder.backup.manager [None req-7810458f-3ae1-4fc3-9a88-ddce4d4f3e86 - - - - - -] Cleaning up incomplete backup operations.
2026-09-02 16:55:35.847 1 INFO cinder.keymgr.migration [None req-a5a6c7ab-0e5a-421b-8f71-e74dff723dfa - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.