[  123.472377][ T2166] ip (2166) used greatest stack depth: 23120 bytes left
[  346.325088][ T6205] iperf3[6205]: segfault at 3b ip 000000000000003b sp 00007fff876f5d70 error 14 likely on CPU 3 (core 3, socket 0)
[  346.325799][ T6205] Code: Unable to access opcode bytes at 0x11.
[  412.320934][ T8588] traps: iperf3[8588] general protection fault ip:7f55bab37a1a sp:7ffd5738d628 error:0 in libc.so.6[aba1a,7f55baab4000+175000]
[  412.321044][ T8585] iperf3[8585]: segfault at 55ca39a8d24c ip 00007f55bacad3f5 sp 00007ffd5738d750 error 4 in libiperf.so.0.0.0[193f5,7f55bac9f000+1c000] likely on CPU 1 (core 1, socket 0)
[  412.322756][ T8585] Code: c6 be 20 00 00 00 4c 8d 8c 24 d0 00 00 00 4c 89 cf 4c 89 4c 24 08 4c 8d 7c 24 70 0f be 50 60 f2 0f 11 74 24 10 e8 3b 34 ff ff <48> 8b 43 30 48 8b 34 24 4c 89 fa 48 8d 78 70 e8 77 3e ff ff 4c 89