/usr/lib/libgnomekbdui.so.8 is in libgnomekbd8 3.6.0-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libgnomekbdui.so.8.0.0
/usr/lib/libgnomekbdui.so.8.0.0