/usr/lib/x86_64-linux-gnu/libjellyfish-2.0.so is in libjellyfish-2.0-dev 2.2.6-1+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libjellyfish-2.0.so.2.0.0
/usr/lib/x86_64-linux-gnu/libjellyfish-2.0.so.2.0.0