[    2.047931] nft (261) used greatest stack depth: 12472 bytes left
[    8.318293] ip (684) used greatest stack depth: 12344 bytes left
[    9.466601] nft (860) used greatest stack depth: 12264 bytes left
[  109.242186] ip (13280) used greatest stack depth: 12200 bytes left
[  249.531530] ip (22424) used greatest stack depth: 12168 bytes left