[   20.170072][  T331] ip (331) used greatest stack depth: 24552 bytes left
[  286.941561][ T4036] ss (4036) used greatest stack depth: 24320 bytes left
[  299.385527][ T4219] ip (4219) used greatest stack depth: 23936 bytes left
[  444.368316][ T8574] iperf3[8574]: segfault at 42 ip 00007f124296e64b sp 00007fffa222e720 error 4 in libiperf.so.0.0.0[1a64b,7f124295f000+1c000] likely on CPU 1 (core 1, socket 0)
[  444.368959][ T8574] 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