[   12.804846] ip (791) used greatest stack depth: 12360 bytes left
[   47.261348] ip (5001) used greatest stack depth: 12344 bytes left
[  124.164509] iperf3[10198]: segfault at 0 ip 00007f5cff0d6a0c sp 00007fff01c65810 error 4 in libc.so.6[82a0c,7f5cff07c000+175000] likely on CPU 0 (core 0, socket 0)
[  124.164653] Code: e9 3d fc ff ff 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 8b 07 83 f8 2f 0f 87 88 13 00 00 89 c2 83 c0 08 49 03 57 10 41 89 07 <4c> 8b 2a 4d 85 ed 0f 84 98 12 00 00 45 85 f6 0f 85 37 13 00 00 80