/usr/share/doc/libhaapi-dev/changelog.Debian.gz is in libhaapi-dev 2.2.1-0ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libhaapi-dev/../libhaapi1/changelog.Debian.gz
/usr/share/doc/libhaapi-dev/../libhaapi1/changelog.Debian.gz