/usr/share/doc/libv4l-0/changelog.Debian.gz is in libv4l-0 1.14.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libv4l-0/../libv4lconvert0/changelog.Debian.gz
/usr/share/doc/libv4l-0/../libv4lconvert0/changelog.Debian.gz