[   23.221905][  T331] ip (331) used greatest stack depth: 24144 bytes left
[   31.805612][  T437] ip (437) used greatest stack depth: 23888 bytes left
[  351.185089][ T5136] iperf3[5136]: segfault at 7f30e92cddb4 ip 00007f30e92cddb4 sp 00007fff09d49b10 error 15 in libiperf.so.0.0.0[29db4,7f30e92cb000+c000] likely on CPU 2 (core 2, socket 0)
[  351.185887][ T5136] Code: 65 65 70 00 2f 74 6d 70 00 54 4d 50 44 49 52 00 54 45 4d 50 00 54 4d 50 00 25 73 2f 69 70 65 72 66 33 2e 58 58 58 58 58 58 00 <69> 6e 74 65 72 72 75 70 74 20 2d 20 25 73 00 66 6f 72 6d 61 74 00