/usr/share/doc/dpkg-dev-el/changelog.gz is in dpkg-dev-el 35.12ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/dpkg-dev-el/../debian-el/changelog.gz
/usr/share/doc/dpkg-dev-el/../debian-el/changelog.gz