/usr/src/linux-headers-4.2.0-41-lowlatency/virt is in linux-headers-4.2.0-41-lowlatency 4.2.0-41.48~14.04.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/src/linux-headers-4.2.0-41-lowlatency/../linux-headers-4.2.0-41/virt