/usr/lib/x86_64-linux-gnu/libfreeradius-client.so is in libfreeradius-client-dev 1.1.6-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libfreeradius-client.so.2.0.0
/usr/lib/x86_64-linux-gnu/libfreeradius-client.so.2.0.0