/usr/share/doc/libkdl-parser-dev/changelog.Debian.gz is in libkdl-parser-dev 1.11.8-3~fakesync.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libkdl-parser-dev/../libkdl-parser0d/changelog.Debian.gz