[   10.959753] nft (5317) used greatest stack depth: 12040 bytes left
[   63.871914] nft (14422) used greatest stack depth: 11968 bytes left
[   67.491906] nft (14855) used greatest stack depth: 11936 bytes left
[   67.550133] nft (14888) used greatest stack depth: 11824 bytes left