[   19.847905][  T325] ip (325) used greatest stack depth: 23312 bytes left
[  421.664690][ T8599] iperf3[8599]: segfault at 1d8 ip 00007f16635d117b sp 00007fff8c2363a0 error 4 in libiperf.so.0.0.0[1917b,7f16635c3000+1c000]
[  421.664735][ T8597] iperf3[8597]: segfault at 3a0000001a ip 00007f166347e33c sp 00007fff8c235cb8 error 4 in libc.so.6[ce33c,7f16633d8000+175000] likely on CPU 2 (core 2, socket 0)
[  421.666333][ T8597] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 89 f8 62 a1 fd 00 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 34 01 00 00 <62> f3 7d 20 3f 07 00 c5 fb 93 c0 85 c0 74 55 f3 0f bc c0 c3 f3 0f
[  421.668520][ T8599]  likely on CPU 3 (core 3, socket 0)
[  421.668803][ T8599] Code: f2 0f 59 0d 8f 1c 01 00 66 0f 2f c1 0f 82 8d 00 00 00 45 8b 8e 24 01 00 00 45 85 c9 0f 85 9d 00 00 00 c7 44 24 40 01 00 00 00 <4d> 8b bf d8 01 00 00 4d 85 ff 0f 84 95 00 00 00 49 8b 47 30 48 8b