Package: src:bind9-libs Version: 1:9.11.19+dfsg-2 Tags: patch allow to build without udeb packages. I didn't figure out how to avoid the extra udeb build for that case. So just produce the non udeb binary packages.
patch at http://launchpadlibrarian.net/525016225/bind9-libs_1%3A9.11.19+dfsg-2ubuntu1_1%3A9.11.19+dfsg-2ubuntu2.diff.gz
