[  317.781677][ T4048] iperf3[4048]: segfault at 0 ip 0000000000000000 sp 00007ffd48eefcc0 error 14 likely on CPU 3 (core 3, socket 0)
[  317.782326][ T4048] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  318.220418][ T4226] ip (4226) used greatest stack depth: 23952 bytes left