/usr/share/doc/libaugeas-dev/changelog.Debian.gz is in libaugeas-dev 1.4.0-0ubuntu1.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libaugeas-dev/../libaugeas0/changelog.Debian.gz
/usr/share/doc/libaugeas-dev/../libaugeas0/changelog.Debian.gz