[   47.955577] ip (6166) used greatest stack depth: 12248 bytes left
[  122.914640] iperf3[17658]: segfault at 49ce00000000 ip 000049ce00000000 sp 00007ffdd9ecb5c0 error 14 likely on CPU 2 (core 2, socket 0)
[  122.914700] iperf3[17676]: segfault at 515400000000 ip 0000515400000000 sp 00007ffdf8dce370 error 14 likely on CPU 0 (core 0, socket 0)
[  122.914843] Code: Unable to access opcode bytes at 0x5153ffffffd6.
[  122.914907] Code: Unable to access opcode bytes at 0x49cdffffffd6.
[  122.915256] traps: iperf3[17652] general protection fault ip:7fe77be34d29 sp:7fff123cc478 error:0 in libc.so.6[107d29,7fe77bd55000+175000]
[  122.915562] iperf3[17662]: segfault at 4a2d00000000 ip 00004a2d00000000 sp 00007ffcd744af20 error 14 likely on CPU 0 (core 0, socket 0)
[  122.915660] Code: Unable to access opcode bytes at 0x4a2cffffffd6.