PHASE2ST_MSG1SENT
iph2->status = PHASE2ST_MSG1SENT;
if (iph2->status != PHASE2ST_MSG1SENT) {
iph2->status = PHASE2ST_MSG1SENT;
if (iph2->status != PHASE2ST_MSG1SENT) {
case PHASE2ST_MSG1SENT:
case PHASE2ST_MSG1SENT: