/usr/lib/x86_64-linux-gnu/libgegl-0.3.so.0 is in libgegl-0.3-0 0.3.8-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libgegl-0.3.so.0.308.0
/usr/lib/x86_64-linux-gnu/libgegl-0.3.so.0.308.0