/usr/lib/x86_64-linux-gnu/libhidapi-libusb.so.0 is in libhidapi-libusb0 0.8.0~rc1+git20140818.d17db57+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libhidapi-libusb.so.0.0.0