/usr/share/doc/libjellyfish-2.0-dev/changelog.Debian.gz is in libjellyfish-2.0-dev 2.2.4-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libjellyfish-2.0-dev/../libjellyfish-2.0-2/changelog.Debian.gz