/usr/share/doc/libax25-dev/changelog.Debian.gz is in libax25-dev 0.0.12-rc4-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libax25-dev/../libax25/changelog.Debian.gz
/usr/share/doc/libax25-dev/../libax25/changelog.Debian.gz