[   94.880715] ip (12532) used greatest stack depth: 12248 bytes left
[  132.128595] iperf3[20810]: segfault at 0 ip 0000000000000000 sp 00007fff6d476780 error 14 likely on CPU 1 (core 1, socket 0)
[  132.128741] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  132.129117] iperf3[20770]: segfault at 7fff332e343e ip 00007f9c60e78063 sp 00007fffefa4ef80 error 4
[  132.129116] iperf3[20782]: segfault at 28 ip 00007f9c60e788ae sp 00007fffefa4efc0 error 4
[  132.129208]  in libc.so.6[6b063,7f9c60e35000+175000] likely on CPU 1 (core 1, socket 0)
[  132.129214] Code: 8b a5 00 ff ff ff f6 40 0d 08 0f 85 47 11 00 00 4c 8b b5 20 ff ff ff 48 89 fb 4c 29 f3 49 89 d8 48 83 fb 14 0f 8e 12 08 00 00 <49> 8b 9c 24 d8 00 00 00 48 8d 15 4e a9 18 00 48 8d 05 af b6 18 00
[  132.129683]  in libc.so.6[6b8ae,7f9c60e35000+175000] likely on CPU 2 (core 2, socket 0)
[  132.129792] Code: 00 0f 1f 00 48 8d 48 01 49 89 4c 24 28 88 10 4c 89 f2 43 8d 44 3d 00 4c 29 fa 44 29 f0 48 01 da 0f 84 f3 00 00 00 49 83 c7 01 <49> 8b 44 24 28 41 0f b6 57 ff 49 3b 44 24 30 72 c9 0f b6 f2 4c 89
[  248.331486] ip (31576) used greatest stack depth: 12080 bytes left