[    2.021405] nft (258) used greatest stack depth: 12552 bytes left
[   14.385711] ip (684) used greatest stack depth: 12472 bytes left
[   84.726571] ip (11162) used greatest stack depth: 12296 bytes left
[  131.618084] ip (14644) used greatest stack depth: 12216 bytes left
[  234.816321] ip (24212) used greatest stack depth: 12200 bytes left
[  352.762576] ip (7413) used greatest stack depth: 12088 bytes left