/usr/lib/x86_64-linux-gnu/libunac.so is in libunac1-dev 1.8.0-8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libunac.so.1.0.8
/usr/lib/x86_64-linux-gnu/libunac.so.1.0.8