[   23.217652][  T326] ip (326) used greatest stack depth: 24296 bytes left
[  311.322302][ T4048] traps: iperf3[4048] general protection fault ip:7efea3fdf33c sp:7fffb24379b8 error:0 in libc.so.6[ce33c,7efea3f39000+175000]
[  311.322328][ T4052] traps: iperf3[4052] general protection fault ip:7efea3fc04e6 sp:7fffb24380b0 error:0 in libc.so.6[af4e6,7efea3f39000+175000]
[  311.322854][ T4048] 
[  311.323722][ T4052] 
[  311.764918][ T4227] ip (4227) used greatest stack depth: 23952 bytes left