[  397.751881][ T7297] iperf3[7297]: segfault at 0 ip 0000000000000000 sp 00007ffd03706c20 error 14 likely on CPU 2 (core 2, socket 0)
[  397.752391][ T7297] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  433.647168][ T8579] iperf3[8579]: segfault at 42 ip 00007f2ac298664b sp 00007ffddb232470 error 4 in libiperf.so.0.0.0[1a64b,7f2ac2977000+1c000] likely on CPU 0 (core 0, socket 0)
[  433.647769][ T8579] Code: 00 74 05 bf 78 00 00 00 48 8b 05 d0 a7 01 00 89 38 e8 c9 2b ff ff 48 8d 35 76 f7 00 00 48 89 ef 48 89 c2 31 c0 e8 25 24 ff ff <80> 7f 40 02 75 a3 c7 85 98 02 00 00 01 00 00 00 48 8d bd b0 02 00