[    2.340024] nft (261) used greatest stack depth: 12472 bytes left
[    9.330410] ip (685) used greatest stack depth: 12344 bytes left
[  147.504419] nft (14410) used greatest stack depth: 12312 bytes left
[  159.422289] nft (14948) used greatest stack depth: 12264 bytes left
[  271.300333] ip (22249) used greatest stack depth: 12168 bytes left