[  299.670737][ T4227] ip (4227) used greatest stack depth: 23952 bytes left
[  340.421174][ T5139] iperf3[5139]: segfault at 7ffce447a550 ip 00007ffce447a550 sp 00007ffce447a0d0 error 15 likely on CPU 0 (core 0, socket 0)
[  340.421851][ T5139] Code: 00 00 6a 4a fe 06 3e 7f 00 00 d0 a6 47 e4 fc 7f 00 00 aa 58 e4 06 3e 7f 00 00 00 00 00 00 00 00 00 00 40 a6 47 e4 fc 7f 00 00 <01> 80 ad fb 00 00 00 00 60 a8 47 e4 fc 7f 00 00 60 a8 47 e4 fc 7f
[  340.909805][ T5312] ip (5312) used greatest stack depth: 23648 bytes left
[  375.874660][ T6223] iperf3[6223]: segfault at 42 ip 00007f71c4b2864b sp 00007ffd3ed1c340 error 4 in libiperf.so.0.0.0[1a64b,7f71c4b19000+1c000] likely on CPU 3 (core 3, socket 0)
[  375.875269][ T6223] Code: 00 74 05 bf 78 00 00 00 48 8b 05 d0 a7 01 00 89 38 e8 c9 2b ff ff 48 8d 35 76 f7 00 00 48 89 ef 48 89 c2 31 c0 e8 25 24 ff ff <80> 7f 40 02 75 a3 c7 85 98 02 00 00 01 00 00 00 48 8d bd b0 02 00
[  672.129791][T11672] ip (11672) used greatest stack depth: 23192 bytes left