This file is indexed.

/usr/share/doc/libdrm2-dbg/changelog.Debian.gz is in libdrm2-dbg 2.4.67-1ubuntu0.14.04.2.

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

It is a symlink to /usr/share/doc/libdrm2-dbg/../libdrm2/changelog.Debian.gz