/usr/share/man/man8/drbdadm.8.gz is in drbd-utils 8.9.10-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/drbdadm-8.4.8.gz
/usr/share/man/man8/drbdadm-8.4.8.gz