IPTUN_KPARAM_RADDR
ik->iptun_kparam_flags |= IPTUN_KPARAM_RADDR;
if (ik->iptun_kparam_flags & IPTUN_KPARAM_RADDR) {
if (ik->iptun_kparam_flags & IPTUN_KPARAM_RADDR) {
if ((ik->iptun_kparam_flags & IPTUN_KPARAM_RADDR) &&
raddr_change = (ik->iptun_kparam_flags & IPTUN_KPARAM_RADDR);
ik->iptun_kparam_flags |= IPTUN_KPARAM_RADDR;