garbage: out_size=0
bulk[0]: out_size=3261 first=00 01 00 1e last=fe 40 90 20
bulk[1]: out_size=43 first=00 01 00 8e last=10 00 07 04
split[0]: out_size=3261 first=00 01 00 1e last=fe 40 90 20
split[1]: out_size=43 first=00 01 00 8e last=10 00 07 04