/usr/share/doc/moonshot-gss-eap-dbg/changelog.Debian.gz is in moonshot-gss-eap-dbg 1.0.1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/moonshot-gss-eap-dbg/../moonshot-gss-eap/changelog.Debian.gz