[  292.355698][ T4218] ip (4218) used greatest stack depth: 23056 bytes left
[  357.887991][ T6214] iperf3[6214]: segfault at 3 ip 0000000000000003 sp 00007ffdac91b020 error 14 likely on CPU 3 (core 3, socket 0)
[  357.888486][ T6214] Code: Unable to access opcode bytes at 0xffffffffffffffd9.
[  357.889007][ T6209] traps: iperf3[6209] general protection fault ip:7f972a86833c sp:7fffc1faa5e8 error:0 in libc.so.6[ce33c,7f972a7c2000+175000]