[  520.841604][ T4054] iperf3[4054]: segfault at 7fff90f46310 ip 00007fff90f46310 sp 00007fff90f46240 error 15 likely on CPU 1 (core 1, socket 0)
[  520.842642][ T4054] Code: 00 00 13 d1 5a ac 18 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0 c5 5b ac 18 7f 00 00 70 d6 5a ac 18 7f 00 00 <00> 00 00 00 00 00 00 00 7c 0a 80 f1 0c 42 20 40 7c 0a 80 f1 0c 42
[  520.849870][ T4052] iperf3[4052]: segfault at 7ffc80735730 ip 00007ffc80735730 sp 00007ffc80735560 error 15 likely on CPU 0 (core 0, socket 0)
[  520.850509][ T4052] Code: 00 00 00 00 00 00 00 00 00 00 e8 cc 42 c6 7d 55 00 00 00 00 00 00 b0 62 02 00 08 00 00 00 17 7e 02 00 5d 68 00 20 20 20 20 20 <30> 2e 30 30 20 62 69 74 00 00 20 20 20 20 20 00 00 00 00 00 00 00
[  521.349412][ T4219] ip (4219) used greatest stack depth: 23312 bytes left