[  107.224830] ip (12527) used greatest stack depth: 12248 bytes left
[  140.972485] iperf3[17713]: segfault at 0 ip 0000000000000000 sp 00007fffb03e2f60 error 14 likely on CPU 2 (core 2, socket 0)
[  140.972615] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  140.973054] traps: iperf3[17715] general protection fault ip:7f47f624b7c4 sp:7fffb03e2740 error:0 in libc.so.6[947c4,7f47f61df000+175000]
[  140.973096] iperf3[17666]: segfault at 1 ip 0000000000000001 sp 00007ffc7f25d6f0 error 14 likely on CPU 0 (core 0, socket 0)
[  140.973241] Code: Unable to access opcode bytes at 0xffffffffffffffd7.
[  140.973296] iperf3[17650]: segfault at 1 ip 0000000000000001 sp 00007ffdd0321720 error 14 likely on CPU 1 (core 1, socket 0)
[  140.973417] Code: Unable to access opcode bytes at 0xffffffffffffffd7.
[  202.784518] ip (27386) used greatest stack depth: 12056 bytes left