/usr/share/doc/kde-telepathy-send-file-dbg/changelog.Debian.gz is in kde-telepathy-send-file-dbg 0.3.1-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/kde-telepathy-send-file-dbg/../kde-telepathy-send-file/changelog.Debian.gz