[  297.423745][ T4140] iperf3[4140]: segfault at 50 ip 00007f22441c2b7d sp 00007ffed23c12c0 error 4 in libc.so.6[69b7d,7f2244181000+175000] likely on CPU 3 (core 3, socket 0)
[  297.424871][ T4140] Code: c7 85 18 ff ff ff 00 00 00 00 c7 85 ec fe ff ff 00 00 00 00 48 c7 85 f0 fe ff ff 00 00 00 00 48 8b 09 a8 10 0f 84 53 02 00 00 <66> 0f 6f 11 88 95 20 ff ff ff 66 0f 6f ca 66 0f 6f c2 0f 29 95 30
[  391.195762][ T7298] iperf3[7298]: segfault at 0 ip 0000000000000000 sp 00007ffc17267890 error 14 likely on CPU 0 (core 0, socket 0)
[  391.196193][ T7298] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  391.196694][ T7293] iperf3[7293]: segfault at 3b ip 00007f1eeac92707 sp 00007fff1d013a38 error 4 in libc.so.6[7f707,7f1eeac3b000+175000] likely on CPU 1 (core 1, socket 0)
[  391.197152][ T7293] Code: ff ff 48 85 db 75 0c 5b c3 66 2e 0f 1f 84 00 00 00 00 00 31 d2 83 f8 ff 0f 94 c2 89 13 5b c3 0f 1f 40 00 48 8b 17 48 8d 42 01 <44> 0f b6 02 48 89 07 0f b6 42 01 41 83 e8 30 83 e8 30 83 f8 09 77