/usr/share/doc/linux-tools-4.10.0-26-lowlatency/changelog.Debian.gz is in linux-tools-4.10.0-26-lowlatency 4.10.0-26.30~16.04.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/linux-tools-4.10.0-26-lowlatency/../linux-hwe-edge-tools-4.10.0-26/changelog.Debian.gz