PFDESC_SCTP_ADD_IP
if (! (pd->sctp_flags & (PFDESC_SCTP_INIT | PFDESC_SCTP_ADD_IP)))
MPASS(! (pd->sctp_flags & PFDESC_SCTP_ADD_IP));
j->pd.sctp_flags |= PFDESC_SCTP_ADD_IP;