[   97.930589] ip (12523) used greatest stack depth: 12248 bytes left
[  106.791594] iperf3[15323]: segfault at 1a0 ip 00007f1ec9039a4c sp 00007ffd8ecfcd20 error 4 in libc.so.6[82a4c,7f1ec8fdf000+175000] likely on CPU 3 (core 3, socket 0)
[  106.791738] Code: e9 3d fc ff ff 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 8b 07 83 f8 2f 0f 87 88 13 00 00 89 c2 83 c0 08 49 03 57 10 41 89 07 <4c> 8b 2a 4d 85 ed 0f 84 98 12 00 00 45 85 f6 0f 85 37 13 00 00 80