[    2.616010] nft (255) used greatest stack depth: 12712 bytes left
[   13.083202] ip (678) used greatest stack depth: 12680 bytes left
[   17.613781] ip (1162) used greatest stack depth: 12664 bytes left
[   21.005922] ip (1530) used greatest stack depth: 12616 bytes left
[   35.274943] ip (3270) used greatest stack depth: 12344 bytes left
[   42.321255] ip (4070) used greatest stack depth: 12192 bytes left