/usr/share/doc/fonts-sil-gentiumplus/FONTLOG.txt.gz is in fonts-sil-gentiumplus 5.000-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/fonts-sil-gentiumplus/changelog.gz
/usr/share/doc/fonts-sil-gentiumplus/changelog.gz