anchor.diff:  
   cd /tmp && \
   curl -Sslk -o go.linux-amd64.tar.gz \
  -https://storage.googleapis.com/golang/go1.7.4.linux-amd64.tar.gz && \
  +https://storage.googleapis.com/golang/go1.7.5.linux-amd64.tar.gz && \
   tar -C /usr/local -xzf go.linux-amd64.tar.gz && \
   cd /tmp/cilium-net-build/src/github.com/cilium/cilium && \
   export GOROOT=/usr/local/go && \
  
positive.code: FROM ubuntu:16.04
  
  MAINTAINER "Andre Martins <andre@cilium.io>"
  
  ADD . /tmp/cilium-net-build/src/github.com/cilium/cilium
  
  
negative.code: #
  # iproute2-begin
  cd /tmp && \
  git clone -b v4.10.0 git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/iproute2.git && \
  cd /tmp/iproute2 && \
  ./configure && \
  make -j `getconf _NPROCESSORS_ONLN` && \
  