/usr/share/doc/golang-github-jfrazelle-go-dev/changelog.Debian.gz is in golang-github-jfrazelle-go-dev 0.0~git20160303.0.d30aec9-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/golang-github-jfrazelle-go-dev/../golang-github-docker-go-dev/changelog.Debian.gz