/usr/share/doc/libvarconf-1.0-8-dbg/changelog.Debian.gz is in libvarconf-1.0-8-dbg 1.0.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libvarconf-1.0-8-dbg/../libvarconf-1.0-8/changelog.Debian.gz