/usr/share/doc/libtrilinos-zoltan2-dev/changelog.Debian.gz is in libtrilinos-zoltan2-dev 12.12.1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libtrilinos-zoltan2-dev/../libtrilinos-kokkos12/changelog.Debian.gz