/usr/share/doc/libhdf5-openmpi-dev/changelog.Debian.gz is in libhdf5-openmpi-dev 1.8.11-5ubuntu7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libhdf5-openmpi-dev/../libhdf5-openmpi-7/changelog.Debian.gz