/usr/lib/x86_64-linux-gnu/libdtkwidget.so.2.0 is in libdtkwidget2 2.0.7.2-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libdtkwidget.so.2.0.7
/usr/lib/x86_64-linux-gnu/libdtkwidget.so.2.0.7