[  101.944209] ip (12509) used greatest stack depth: 12272 bytes left
[  119.133620] iperf3[17619]: segfault at 249d00000000 ip 0000249d00000000 sp 00007ffd4a424a10 error 14 likely on CPU 3 (core 3, socket 0)
[  119.133758] Code: Unable to access opcode bytes at 0x249cffffffd6.
[  119.133812] traps: iperf3[17828] general protection fault ip:7f2d45bd8867 sp:7ffc384462b8 error:0 in libc.so.6[113867,7f2d45aed000+175000]