[   28.438599][  T437] ip (437) used greatest stack depth: 23840 bytes left
[  312.249724][ T4058] traps: iperf3[4058] general protection fault ip:7f470e8e733c sp:7fff6ad4b848 error:0 in libc.so.6[ce33c,7f470e841000+175000]
[  312.250387][ T4062] traps: iperf3[4062] general protection fault ip:7f470e8c84e6 sp:7fff6ad4bf40 error:0 in libc.so.6[af4e6,7f470e841000+175000]