/usr/lib/x86_64-linux-gnu/libseed-gtk4.so.0 is in libseed-gtk4-0 4.0.0+20161014+6c77960+dfsg1-5build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libseed-gtk4.so.0.0.0
/usr/lib/x86_64-linux-gnu/libseed-gtk4.so.0.0.0