This file is indexed.

/usr/src/linux-headers-4.4.0-63-lowlatency/fs is in linux-headers-4.4.0-63-lowlatency 4.4.0-63.84.

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

It is a symlink to /usr/src/linux-headers-4.4.0-63-lowlatency/../linux-headers-4.4.0-63/fs