[    2.485109] nft (258) used greatest stack depth: 12656 bytes left
[    2.822979] nft (272) used greatest stack depth: 12616 bytes left
[   11.132729] ip (680) used greatest stack depth: 12608 bytes left
[   12.057137] ip (788) used greatest stack depth: 12272 bytes left
[  115.701491] iperf3[10199]: segfault at 39d ip 00007f3986b96670 sp 00007fff88495390 error 4 in libiperf.so.0.0.0[1a670,7f3986b87000+1c000] likely on CPU 2 (core 2, socket 0)
[  115.701690] Code: e8 25 24 ff ff 80 7f 40 02 75 a3 c7 85 98 02 00 00 01 00 00 00 48 8d bd b0 02 00 00 e8 89 21 ff ff 48 89 ef ff 95 78 02 00 00 <48> 8b 85 90 03 00 00 c6 45 40 0e 48 85 c0 74 05 48 89 ef ff d0 48