[    2.031768] nft (258) used greatest stack depth: 12552 bytes left
[    9.585672] ip (683) used greatest stack depth: 12408 bytes left
[   10.476630] ip (812) used greatest stack depth: 12392 bytes left
[   87.250255] ip (11167) used greatest stack depth: 12328 bytes left
[  234.399383] ip (21868) used greatest stack depth: 12248 bytes left
[  244.295980] ip (24206) used greatest stack depth: 11944 bytes left