[    1.712258] nft (259) used greatest stack depth: 12616 bytes left
[    2.753199] nft (317) used greatest stack depth: 12584 bytes left
[   12.821068] nft (1273) used greatest stack depth: 12392 bytes left
[   29.511000] ip (4438) used greatest stack depth: 12360 bytes left
[   29.544072] ip (4444) used greatest stack depth: 12232 bytes left
[  110.268422] iperf3[17835]: segfault at 0 ip 00007fc34565e33c sp 00007ffe73dc14e8 error 4 in libc.so.6[ce33c,7fc3455b8000+175000] likely on CPU 2 (core 2, socket 0)
[  110.268566] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 89 f8 62 a1 fd 00 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 34 01 00 00 <62> f3 7d 20 3f 07 00 c5 fb 93 c0 85 c0 74 55 f3 0f bc c0 c3 f3 0f
[  110.269485] iperf3[17721]: segfault at 0 ip 0000000000000000 sp 00007ffcd6600be0 error 14 likely on CPU 3 (core 3, socket 0)
[  110.269583] Code: Unable to access opcode bytes at 0xffffffffffffffd6.