/usr/lib/x86_64-linux-gnu/libunity.so.9 is in libunity9 7.1.4+15.10.20151002-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libunity.so.9.0.2
/usr/lib/x86_64-linux-gnu/libunity.so.9.0.2