/usr/share/doc/snmpd/README.Debian is in snmpd 5.4.3~dfsg-2.4ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/snmpd/../libsnmp15/README.Debian
/usr/share/doc/snmpd/../libsnmp15/README.Debian