[    2.378951] nft (261) used greatest stack depth: 12552 bytes left
[   28.907204] ip (4922) used greatest stack depth: 12408 bytes left
[   93.459253] ip (11193) used greatest stack depth: 12296 bytes left
[  248.743163] ip (21892) used greatest stack depth: 12216 bytes left
[  303.078522] ip (621) used greatest stack depth: 11976 bytes left