[   30.938130][  T437] ip (437) used greatest stack depth: 23488 bytes left
[  209.995068][ T3021] ip (3021) used greatest stack depth: 23344 bytes left
[  331.256126][ T5140] traps: iperf3[5140] general protection fault ip:7fad906772bc sp:7ffcd620d328 error:0 in libc.so.6[ce2bc,7fad905d1000+175000]
[  331.256183][ T5143] traps: iperf3[5143] general protection fault ip:7fad906584a6 sp:7ffcd620da20 error:0 in libc.so.6[af4a6,7fad905d1000+175000]