Is the following Red Hat documentation wrong: arptables -A OUT -d <virtual_ip> -j mangle --mangle-ip-s <real_ip> found here: http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/Virtual_Serv er_Administration/s2-lvs-direct-arptables-VSA.html shouldn't be -s and not -d?