/usr/lib/x86_64-linux-gnu/libnova.so is in libnova-dev 0.16-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libnova-0.16.so.0.0.0
/usr/lib/x86_64-linux-gnu/libnova-0.16.so.0.0.0