[   14.192992] ip (683) used greatest stack depth: 12344 bytes left
[  156.799201] iperf3[17705]: segfault at 0 ip 0000000000000000 sp 00007ffe8d7f9950 error 14 likely on CPU 3 (core 3, socket 0)
[  156.799522] Code: Unable to access opcode bytes at 0xffffffffffffffd6.