anchor.diff:  , lib
   
   , db
  +, elfutils
   , iptables
  +, libcap
  +, libmnl
   }:
   
   let
  -  version = "4.16.0";
  +  version = "4.17.0";
   
     tarballUrls = [
       "mirror://kernel/linux/utils/net/iproute2/iproute2-${version}.tar"
  
positive.code: 
    buildInputs = [
      db
      iptables
    ];
  
    preConfigure = ''
  
negative.code:   src = fetchurl {
      urls = map (n: "${n}.xz") tarballUrls;
      hashOutput = false;
      sha256 = "6fa991b092315887775b9e47dc6a89af7ae09dd3ad4ccff754d055c566b4be6e";
    };
  
    nativeBuildInputs = [
  