anchor.diff:                    if test -n "${i.subnetMask}"; then
                         extraFlags="$extraFlags netmask ${i.subnetMask}"
                     fi
  -                  ${nettools}/sbin/ifconfig "${i.name}" "${i.ipAddress}" $extraFlags || true
  +                  ${ifconfig} "${i.name}" "${i.ipAddress}" $extraFlags || true
                   ''
                 else "") cfg.interfaces}
   
  
positive.code:           ''
              #for i in $(cd /sys/class/net && ls -d *); do
              #    echo "Taking down network device $i..."
              #    ${nettools}/sbin/ifconfig $i down || true
              #done
            '';
        };
  
negative.code: 
              for i in $(cd /sys/class/net && ls -d *); do
                  echo "Bringing up network device $i..."
                  ${ifconfig} $i up || true
              done
  
              # Configure the manually specified interfaces.
  