[  256.800768][ T2185] ip (2185) used greatest stack depth: 24048 bytes left
[  520.793460][ T4233] ip (4233) used greatest stack depth: 23544 bytes left
[  642.734239][ T7320] iperf3[7320]: segfault at 0 ip 0000000000000000 sp 00007ffd75cd6bb0 error 14 likely on CPU 2 (core 2, socket 0)
[  642.735344][ T7320] Code: Unable to access opcode bytes at 0xffffffffffffffd6.