[   21.531930][  T325] ip (325) used greatest stack depth: 23312 bytes left
[  321.560321][ T5132] iperf3[5132]: segfault at 1d8 ip 00007f6446b9317b sp 00007ffc734aa640 error 4 in libiperf.so.0.0.0[1917b,7f6446b85000+1c000] likely on CPU 0 (core 0, socket 0)
[  321.561006][ T5132] 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