/usr/share/doc/libgypsy-doc/changelog.Debian.gz is in libgypsy-doc 0.8-0ubuntu7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgypsy-doc/../libgypsy0/changelog.Debian.gz
/usr/share/doc/libgypsy-doc/../libgypsy0/changelog.Debian.gz