[    2.058154] ip (268) used greatest stack depth: 12648 bytes left
[    2.158804] ip (277) used greatest stack depth: 12488 bytes left
[    2.254599] ip (286) used greatest stack depth: 12344 bytes left
[   12.603845] ip (987) used greatest stack depth: 12272 bytes left
[   57.594933] netem: version 1.3
[  382.548454] ip (5995) used greatest stack depth: 12192 bytes left