pfkey_sendup
pfkey_sendup(bkp, packet, 1);
int pfkey_sendup(struct pkpcb *, struct mbuf *, int);
pfkey_sendup(bkp, packet, 1);
pfkey_sendup(sotokeycb(so), packet, 0);
pfkey_sendup(kp, packet, 1);
pfkey_sendup(kp, packet, 1);
pfkey_sendup(kp, packet, 1);
pfkey_sendup(kp, packet, 1);
pfkey_sendup(kp, packet, 1);