/usr/share/doc/librsplib-dev/changelog.Debian.gz is in librsplib-dev 3.0.1-1ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/librsplib-dev/../librsplib2/changelog.Debian.gz
/usr/share/doc/librsplib-dev/../librsplib2/changelog.Debian.gz