=0, cb_type=RD_KAFKA_Q_CB_CALLBACK, callback=0x0, opaque=0x0) at rdkafka_queue.c:440...#3 0x000000000054ee9b in rd_kafka_thread_main (arg=0x1516df0) at rdkafka.c:1227
#4 ...(gdb) p *rkm
$7 = {rkm_rkmessage = {err = RD_KAFKA_RESP_ERR_NO_ERROR, rkt = 0x1590c10..., partition = 1, payload = 0x7f48c4001260, len = 203, key = 0x7f48c400132b, key_len = 14, offset = 0,..., rkt = 0x1590c10, partition = 1, payload = 0x7f48c4001260, len = 203, key = 0x7f48c400132b, key_len