/usr/lib/x86_64-linux-gnu/libdballe.so.7 is in libdballe7 7.21-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libdballe.so.7.0.3
/usr/lib/x86_64-linux-gnu/libdballe.so.7.0.3