[   91.956809] ip (12528) used greatest stack depth: 12248 bytes left
[  122.595321] traps: iperf3[20729] general protection fault ip:7f869077133c sp:7ffd2f6ecbf8 error:0 in libc.so.6[ce33c,7f86906cb000+175000]
[  122.596814] iperf3[20803]: segfault at 7ffcdd5521f0 ip 00007ffcdd5521f0 sp 00007ffcdd552080 error 15 likely on CPU 2 (core 2, socket 0)
[  122.596932] Code: 0b 20 00 00 00 00 72 6f c2 10 18 00 00 00 30 00 00 00 c0 26 55 dd fc 7f 00 00 e0 25 55 dd fc 7f 00 00 00 be db 4b 14 e9 bb b2 <69> 6e 74 65 72 72 75 70 74 20 2d 20 74 68 65 20 63 6c 69 65 6e 74