anchor.diff:  { stdenv
  -, fetchFromGitHub
  +, fetchurl
   
   , ipset
   , iptables
  
positive.code: }:
  
  stdenv.mkDerivation rec {
    name = "keepalived-2016-05-17";
  
    src = fetchFromGitHub {
      owner = "acassen";
      repo = "keepalived";
      rev = "d96429be4a4f5df2bc70d1d83477fad0ea827b1a";
      sha256 = "438bc7c6f11c6e20d32b7adff8dfdfdd81e7a5155c9ece2bf4b681bf3857ecb9";
    };
  
    buildInputs = [
  
negative.code:     iptables
      libnfnetlink
      libnl
      net-snmp
      openssl
    ];
  
  