/usr/lib/x86_64-linux-gnu/lilypond/2.18.2/guile/libguile-srfi-srfi-60-v-2.so.2 is in lilypond 2.18.2-12build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/lilypond/2.18.2/guile/libguile-srfi-srfi-60-v-2.so.2.0.2