This file is indexed.

/usr/share/doc/libevent-dev/changelog.Debian.gz is in libevent-dev 2.0.21-stable-2ubuntu0.16.04.1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/share/doc/libevent-dev/../libevent-2.0-5/changelog.Debian.gz