SCTP_ADDR_REQ_PRIMARY
if (r_net->dest_state & SCTP_ADDR_REQ_PRIMARY) {
r_net->dest_state &= ~SCTP_ADDR_REQ_PRIMARY;
net->dest_state |= SCTP_ADDR_REQ_PRIMARY;
net->dest_state &= ~SCTP_ADDR_REQ_PRIMARY;