anchor.diff:  
           # Setup directories and libvirt XML files
           mkdir -p build/{log,libvirt} build/hosts/{${instList}}
  -        touch build/log/std{out,err} build/log/{${instList}}-{console,journal}.log
  +        touch build/log/std{out,err} build/log/{${instList}}-console.log
           cp -t build/libvirt "$src"/*
           for f in build/libvirt/{dom,net}-*.xml; do substituteAllInPlace "$f"; done
           ${optionalString (cfg.backend == "lxc") "mkdir root-{${instList}}"}
  
positive.code:         services.journald.extraConfig = ''
            Storage=volatile
            ForwardToConsole=yes
            TTYPath=/dev/ttyS1
          '';
          networking = {
            hostName = name;
            firewall.enable = false;
  
negative.code:           network = "net-@testid@";
          };
          consoleFile = "@build@/log/${name}-console.log";
          fileShares.out = {
            guestPath = "/out";
            hostPath = "/@build@";
            readOnly = false;
          };
        };
  