[  309.724340][ T4260] ip (4260) used greatest stack depth: 23952 bytes left
[  375.642708][ T6243] iperf3[6243]: segfault at 42 ip 00007fdf2295a64b sp 00007ffdc5aa1060 error 4 in libiperf.so.0.0.0[1a64b,7fdf2294b000+1c000] likely on CPU 2 (core 2, socket 0)
[  375.643332][ T6243] Code: 00 74 05 bf 78 00 00 00 48 8b 05 d0 a7 01 00 89 38 e8 c9 2b ff ff 48 8d 35 76 f7 00 00 48 89 ef 48 89 c2 31 c0 e8 25 24 ff ff <80> 7f 40 02 75 a3 c7 85 98 02 00 00 01 00 00 00 48 8d bd b0 02 00
[  568.657061][T10868] ip (10868) used greatest stack depth: 23680 bytes left