[   30.236663][  T435] ip (435) used greatest stack depth: 23280 bytes left
[  315.377081][ T4038] iperf3[4038]: segfault at 50 ip 00007f18f0267b7d sp 00007ffd504c70f0 error 4 in libc.so.6[69b7d,7f18f0226000+175000] likely on CPU 2 (core 2, socket 0)
[  315.378031][ T4038] Code: c7 85 18 ff ff ff 00 00 00 00 c7 85 ec fe ff ff 00 00 00 00 48 c7 85 f0 fe ff ff 00 00 00 00 48 8b 09 a8 10 0f 84 53 02 00 00 <66> 0f 6f 11 88 95 20 ff ff ff 66 0f 6f ca 66 0f 6f c2 0f 29 95 30