/usr/share/doc/grilo-plugins-dvb-daemon/changelog.Debian.gz is in grilo-plugins-dvb-daemon 1:0.2.91~git20170110-3build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/grilo-plugins-dvb-daemon/../gnome-dvb-daemon/changelog.Debian.gz