/usr/lib/x86_64-linux-gnu/libqb.so.6 is in libqb6 6.2.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libqb.so.6.2.0
/usr/lib/x86_64-linux-gnu/libqb.so.6.2.0