/usr/share/doc/linux-tools-4.8.0-34-lowlatency/changelog.Debian.gz is in linux-tools-4.8.0-34-lowlatency 4.8.0-34.36~16.04.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/linux-tools-4.8.0-34-lowlatency/../linux-hwe-edge-tools-4.8.0-34/changelog.Debian.gz