[    2.138997] nft (261) used greatest stack depth: 12504 bytes left
[    8.905544] ip (685) used greatest stack depth: 12440 bytes left
[    9.722241] ip (813) used greatest stack depth: 12376 bytes left
[  127.833301] ip (14393) used greatest stack depth: 12328 bytes left
[  244.161344] ip (22249) used greatest stack depth: 12216 bytes left
[  255.522443] ip (24591) used greatest stack depth: 12200 bytes left