$ apt-get remove -o Debug::pkgProblemResolver=true dpkg-dev
 Reading package lists... Done
 Building dependency tree
 Reading state information... Done
 Starting
 Starting 2
 Investigating (0) build-essential [ amd64 ] < 11.5ubuntu2.1 > ( devel )
 Broken build-essential:amd64 Depends on dpkg-dev [ amd64 ] < 1.16.1.2ubuntu7.1 > ( utils ) (>= 1.13.5)
   Considering dpkg-dev:amd64 10001 as a solution to build-essential:amd64 0
   Removing build-essential:amd64 rather than change dpkg-dev:amd64
 Done