[    1.546055] ip (256) used greatest stack depth: 12368 bytes left
[    1.749310] ip (281) used greatest stack depth: 12320 bytes left
[   46.327380] netem: version 1.3
[  343.377806] ip (5338) used greatest stack depth: 12272 bytes left
[  490.336939] ip (9027) used greatest stack depth: 12144 bytes left