[    2.267070] nft (257) used greatest stack depth: 12656 bytes left
[    3.167385] nft (299) used greatest stack depth: 12616 bytes left
[    3.737374] nft (328) used greatest stack depth: 12544 bytes left
[   13.857249] nft (911) used greatest stack depth: 12448 bytes left
[   25.589684] ip (2532) used greatest stack depth: 12400 bytes left
[   31.997491] ip (3270) used greatest stack depth: 12272 bytes left