[    1.863762] nft (258) used greatest stack depth: 12528 bytes left
[    9.133487] ip (683) used greatest stack depth: 12448 bytes left
[   71.655242] nft (7418) used greatest stack depth: 12320 bytes left
[   79.847001] ip (9011) used greatest stack depth: 12272 bytes left
[  194.103418] ip (22369) used greatest stack depth: 12192 bytes left