[   31.623586][  T435] ip (435) used greatest stack depth: 23632 bytes left
[  307.581083][ T4053] iperf3[4053]: segfault at 7fa600000002 ip 00007fa600000002 sp 00007ffd4c9d5050 error 14 likely on CPU 3 (core 3, socket 0)
[  307.581559][ T4053] Code: Unable to access opcode bytes at 0x7fa5ffffffd8.
[  307.581726][ T4049] iperf3[4049]: segfault at 0 ip 0000000000000000 sp 00007ffd73309b40 error 14 likely on CPU 0 (core 0, socket 0)
[  307.582638][ T4049] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  308.072956][ T4227] ip (4227) used greatest stack depth: 23584 bytes left
[  410.853475][ T7305] iperf3[7305]: segfault at 0 ip 00007ff34f5dd33c sp 00007ffd1f421048 error 4 in libc.so.6[ce33c,7ff34f537000+175000] likely on CPU 1 (core 1, socket 0)
[  410.854037][ T7305] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 89 f8 62 a1 fd 00 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 34 01 00 00 <62> f3 7d 20 3f 07 00 c5 fb 93 c0 85 c0 74 55 f3 0f bc c0 c3 f3 0f
[  410.855326][ T7298] traps: iperf3[7298] general protection fault ip:7eff96456897 sp:7ffe0a3dd978 error:0 in libc.so.6[113897,7eff9636b000+175000]
[  450.446529][ T8584] iperf3[8584]: segfault at 0 ip 0000000000000000 sp 00007fff0c5b9440 error 14 likely on CPU 0 (core 0, socket 0)
[  450.446926][ T8584] Code: Unable to access opcode bytes at 0xffffffffffffffd6.