[ 2940.268113][T21828] iperf3[21828]: segfault at 2d0 ip 00007fe43172ed3d sp 00007ffe48104ea0 error 4 in libc.so.6[9dd3d,7fe4316b9000+175000] likely on CPU 1 (core 1, socket 0)
[ 2940.268266][T21829] iperf3[21829]: segfault at 2d0 ip 00007f7648247d3d sp 00007ffe3876c140 error 4
[ 2940.268702][T21828] Code: 03 00 00 e8 85 a2 00 00 0f 1f 44 00 00 f3 0f 1e fa 55 48 81 ec a0 00 00 00 64 48 8b 04 25 28 00 00 00 48 89 84 24 98 00 00 00 <8b> 87 d0 02 00 00 85 c0 75 29 48 8b 84 24 98 00 00 00 64 48 2b 04
[ 2940.268711][T21829]  in libc.so.6[9dd3d,7f76481d2000+175000] likely on CPU 0 (core 0, socket 0)
[ 2940.270019][T21829] Code: 03 00 00 e8 85 a2 00 00 0f 1f 44 00 00 f3 0f 1e fa 55 48 81 ec a0 00 00 00 64 48 8b 04 25 28 00 00 00 48 89 84 24 98 00 00 00 <8b> 87 d0 02 00 00 85 c0 75 29 48 8b 84 24 98 00 00 00 64 48 2b 04