[    2.273247] nft (261) used greatest stack depth: 12552 bytes left
[    9.994609] ip (684) used greatest stack depth: 12408 bytes left
[   90.992701] ip (11112) used greatest stack depth: 12296 bytes left
[  237.644810] ip (21827) used greatest stack depth: 12248 bytes left
[  245.449004] ip (24167) used greatest stack depth: 12216 bytes left