[  308.097070][ T4066] iperf3 (4066) used greatest stack depth: 23784 bytes left
[  402.758209][ T7427] iperf3[7427]: segfault at 0 ip 0000000000000000 sp 00007ffd94302220 error 14 likely on CPU 0 (core 0, socket 0)
[  402.758642][ T7427] Code: Unable to access opcode bytes at 0xffffffffffffffd6.