[   23.208021][  T326] ip (326) used greatest stack depth: 23632 bytes left
[  382.762411][ T6210] traps: iperf3[6210] general protection fault ip:7f2fb871033c sp:7ffd382a3218 error:0 in libc.so.6[ce33c,7f2fb866a000+175000]
[  382.768722][ T6205] iperf3[6205]: segfault at 42 ip 00007fe770d1264b sp 00007ffdc911e870 error 4 in libiperf.so.0.0.0[1a64b,7fe770d03000+1c000] likely on CPU 3 (core 3, socket 0)
[  382.769320][ T6205] 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