[  305.952989][ T4229] ip (4229) used greatest stack depth: 23968 bytes left
[  402.084293][ T7428] iperf3[7428]: segfault at 80800000000 ip 0000080800000000 sp 00007ffc6ade5710 error 14 likely on CPU 1 (core 1, socket 0)
[  402.084604][ T7393] iperf3[7393]: segfault at 129 ip 00007fa74c1d49d8 sp 00007ffff7f06d10 error 4 in libiperf.so.0.0.0[179d8,7fa74c1c8000+1c000]
[  402.084880][ T7428] Code: Unable to access opcode bytes at 0x807ffffffd6.
[  402.085816][ T7393]  likely on CPU 3 (core 3, socket 0)
[  402.086015][ T7393] Code: 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 66 0f 1f 44 00 00 48 8b 15 41 d3 01 00 48 8d 2d eb 40 01 00 31 c0 48 89 ee e8 68 4d ff ff <45> 8b 9d 18 01 00 00 45 85 db 0f 85 b0 16 00 00 49 8b 45 38 41 8b