[    6.314785] nft (1879) used greatest stack depth: 12264 bytes left
[   10.482208] nft (5158) used greatest stack depth: 12040 bytes left
[   55.814310] nft (13046) used greatest stack depth: 11968 bytes left
[   66.937434] nft (14697) used greatest stack depth: 11936 bytes left