IPCL_IPTUN_HASH
connfp = &ipst->ips_ipcl_iptun_fanout[IPCL_IPTUN_HASH(laddr, faddr)];
connfp = &ipst->ips_ipcl_iptun_fanout[IPCL_IPTUN_HASH(*dst, *src)];
connfp = &ipst->ips_ipcl_iptun_fanout[IPCL_IPTUN_HASH(*dst,
IPCL_IPTUN_HASH((laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \