[    1.969523] nft (259) used greatest stack depth: 12504 bytes left
[    8.715726] ip (682) used greatest stack depth: 12472 bytes left
[   26.455501] ip (4978) used greatest stack depth: 12376 bytes left
[   88.085783] ip (11386) used greatest stack depth: 12328 bytes left
[  247.967631] ip (24632) used greatest stack depth: 12200 bytes left