[   24.304408][  T330] ip (330) used greatest stack depth: 24136 bytes left
[   32.449041][  T437] ip (437) used greatest stack depth: 23984 bytes left
[  308.814883][ T4047] traps: iperf3[4047] general protection fault ip:7fca88bb733c sp:7ffc862cdb28 error:0 in libc.so.6[ce33c,7fca88b11000+175000]
[  308.814922][ T4051] traps: iperf3[4051] general protection fault ip:7fca88b984e6 sp:7ffc862ce220 error:0 in libc.so.6[af4e6,7fca88b11000+175000]
[  308.817187][ T4046] iperf3[4046]: segfault at 7f571b4a8b2a ip 00007f571b4a8b2a sp 00007ffe00751ba0 error 15 in libc.so.6[1b9b2a,7f571b48c000+58000] likely on CPU 2 (core 2, socket 0)
[  308.817769][ T4046] Code: 5b 30 5d 20 21 3d 20 4e 55 4c 4c 00 20 09 00 0a 7c 26 3b 3c 3e 28 29 7b 7d 00 2f 64 65 76 2f 73 68 6d 2f 00 73 65 6d 2e 00 2e <2e> 00 50 57 44 00 73 74 64 69 6e 00 73 74 64 6f 75 74 00 73 74 64
[  309.268383][ T4223] ip (4223) used greatest stack depth: 23968 bytes left
[  342.500376][ T5301] ip (5301) used greatest stack depth: 23664 bytes left