[  118.221690] iperf3[17654]: segfault at 47b500000000 ip 000047b500000000 sp 00007ffd5623ac30 error 14 likely on CPU 1 (core 1, socket 0)
[  118.221719] iperf3[17633]: segfault at 4c5800000000 ip 00004c5800000000 sp 00007fff0479dea0 error 14
[  118.221722] iperf3[17697]: segfault at 4ce800000000 ip 00004ce800000000 sp 00007ffe0efda200 error 14 likely on CPU 0 (core 0, socket 0)
[  118.221730] Code: Unable to access opcode bytes at 0x4ce7ffffffd6.
[  118.221808] Code: Unable to access opcode bytes at 0x47b4ffffffd6.
[  118.221842] iperf3[17678]: segfault at 4fa300000000 ip 00004fa300000000 sp 00007ffe7cb0eb30 error 14 likely on CPU 0 (core 0, socket 0)
[  118.221846] Code: Unable to access opcode bytes at 0x4fa2ffffffd6.
[  118.221879]  likely on CPU 3 (core 3, socket 0)
[  118.221962] iperf3[17696]: segfault at 519100000000 ip 0000519100000000 sp 00007ffe0053bb30 error 14
[  118.222007] 
[  118.222054]  likely on CPU 1 (core 1, socket 0)
[  118.222139] Code: Unable to access opcode bytes at 0x4c57ffffffd6.
[  118.222180] 
[  118.222443] Code: Unable to access opcode bytes at 0x5190ffffffd6.