[   29.814850] ip (2560) used greatest stack depth: 12128 bytes left
[  161.898510] iperf3[17688]: segfault at 3 ip 0000000000000003 sp 00007ffdfdc32a80 error 14 likely on CPU 1 (core 1, socket 0)
[  161.898744] Code: Unable to access opcode bytes at 0xffffffffffffffd9.