/usr/lib/x86_64-linux-gnu/libgphoto2.so is in libgphoto2-2-dev 2.4.13-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libgphoto2.so.2.4.0
/usr/lib/x86_64-linux-gnu/libgphoto2.so.2.4.0