[    2.253689] nft (261) used greatest stack depth: 12472 bytes left
[    8.963472] ip (685) used greatest stack depth: 12344 bytes left
[   94.094900] ip (11374) used greatest stack depth: 12280 bytes left
[  247.250980] ip (22288) used greatest stack depth: 12200 bytes left
[  252.208441] ip (24632) used greatest stack depth: 12168 bytes left