s = format (s, "sw_if_index %d ", ntohl (a->ext_itf.sw_if_index));
s = format (s, "bd_id %d ", ntohl (a->ext_itf.bd_id));
s = format (s, "rd_id %d ", ntohl (a->ext_itf.rd_id));
+ s = format (s, "flags %x ", ntohl (a->ext_itf.flags));
s = format (s, "\n");