/usr/share/doc/libapache2-mod-proxy-uwsgi-dbg/changelog.Debian.gz is in libapache2-mod-proxy-uwsgi-dbg 2.0.12-5ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libapache2-mod-proxy-uwsgi-dbg/../libapache2-mod-proxy-uwsgi/changelog.Debian.gz