/usr/share/doc/dpdk-igb-uio-dkms/changelog.Debian.gz is in dpdk-igb-uio-dkms 17.11.1-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/dpdk-igb-uio-dkms/../libdpdk-dev/changelog.Debian.gz