/usr/lib/x86_64-linux-gnu/libgfdb.so is in glusterfs-common 3.13.2-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libgfdb.so.0.0.1
/usr/lib/x86_64-linux-gnu/libgfdb.so.0.0.1