[  375.240033][ T6236] iperf3[6236]: segfault at 289b00000000 ip 0000289b00000000 sp 00007fff9f67c520 error 14 likely on CPU 1 (core 1, socket 0)
[  375.240650][ T6236] Code: Unable to access opcode bytes at 0x289affffffd6.
[  375.241268][ T6237] iperf3[6237]: segfault at 55fb38f34537 ip 00007f57fd8f23f5 sp 00007ffe7c30bee0 error 4 likely on CPU 1 (core 1, socket 0)
[  375.242253][ T6237] Code: c6 be 20 00 00 00 4c 8d 8c 24 d0 00 00 00 4c 89 cf 4c 89 4c 24 08 4c 8d 7c 24 70 0f be 50 60 f2 0f 11 74 24 10 e8 3b 34 ff ff <48> 8b 43 30 48 8b 34 24 4c 89 fa 48 8d 78 70 e8 77 3e ff ff 4c 89
[  687.278769][T11832] ip (11832) used greatest stack depth: 24176 bytes left