/usr/lib/x86_64-linux-gnu/libvolpack.so.1 is in libvolpack1 1.0b3-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libvolpack.so.1.0.1
/usr/lib/x86_64-linux-gnu/libvolpack.so.1.0.1