Version in base suite: 16.02-3
Base version: p7zip-rar_16.02-3
Target version: p7zip-rar_16.02+really25.00+ds-0+deb12u1
Base files: p7zip-rar_16.02-3.dsc
Target files: p7zip-rar_16.02+really25.00+ds-0+deb12u1.dsc

-E: version-substvar-for-external-package Depends ${source:Upstream-Version} p7zip-rar -> p7zip-full [debian/control:15]