IPV6_FW_IP6OPT_OPTS
if (chain->fw_ip6opt & IPV6_FW_IP6OPT_OPTS) PRINTOPT("opts");
if (chain->fw_ip6nopt & IPV6_FW_IP6OPT_OPTS) PRINTOPT("!opts");
if (!strncmp(p,"opts",strlen(p))) *d |= IPV6_FW_IP6OPT_OPTS;
opts &= ~IPV6_FW_IP6OPT_OPTS;
nopts &= ~IPV6_FW_IP6OPT_OPTS;