[   31.212659][  T438] ip (438) used greatest stack depth: 23168 bytes left
[  355.132756][ T6344] iperf3[6344]: segfault at 0 ip 0000000000000000 sp 00007fff9b4d7df0 error 14 likely on CPU 2 (core 2, socket 0)
[  355.133643][ T6344] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  355.136511][ T6278] iperf3[6278]: segfault at 0 ip 0000000000000000 sp 00007ffca2eb9fa0 error 14 likely on CPU 3 (core 3, socket 0)
[  355.137266][ T6278] Code: Unable to access opcode bytes at 0xffffffffffffffd6.