/usr/share/doc/libcaf-dev/changelog.Debian.gz is in libcaf-dev 0.13.2-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libcaf-dev/../libcaf-core0.13.2/changelog.Debian.gz
/usr/share/doc/libcaf-dev/../libcaf-core0.13.2/changelog.Debian.gz