IPV6_FW_IP6OPT_ROUTE
if (chain->fw_ip6opt & IPV6_FW_IP6OPT_ROUTE) PRINTOPT("route");
if (chain->fw_ip6nopt & IPV6_FW_IP6OPT_ROUTE) PRINTOPT("!route");
if (!strncmp(p,"route",strlen(p))) *d |= IPV6_FW_IP6OPT_ROUTE;
opts &= ~IPV6_FW_IP6OPT_ROUTE;
nopts &= ~IPV6_FW_IP6OPT_ROUTE;