/usr/lib/likewise-open/libregclient.so is in likewise-open 6.1.0.406-0ubuntu5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/likewise-open/libregclient.so.0.0.0
/usr/lib/likewise-open/libregclient.so.0.0.0