/usr/share/doc/libsnmpkit-dev/changelog.Debian.gz is in libsnmpkit-dev 0.9-16build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsnmpkit-dev/../libsnmpkit2c2a/changelog.Debian.gz
/usr/share/doc/libsnmpkit-dev/../libsnmpkit2c2a/changelog.Debian.gz