/usr/share/doc/libxcb-xv0-dev/changelog.Debian.gz is in libxcb-xv0-dev 1.8.1-1ubuntu0.2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libxcb-xv0-dev/../libxcb1/changelog.Debian.gz
/usr/share/doc/libxcb-xv0-dev/../libxcb1/changelog.Debian.gz