/usr/share/doc/libbind-export-dev/changelog.Debian.gz is in libbind-export-dev 1:9.10.3.dfsg.P4-8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libbind-export-dev/../libdns-export162/changelog.Debian.gz