ls -l /var/db/etcupdate/
total 57
drwxr-xr-x  7 root  wheel      10 May 12  2022 current
-rw-r--r--  1 root  wheel  234158 Nov  2  2022 log

 grep /etc/mtree/BSD.debug.dist /var/db/etcupdate/*.files
grep: No match.