[    1.696872] ip (268) used greatest stack depth: 12320 bytes left
[    3.539439] ip (475) used greatest stack depth: 12160 bytes left
[   44.568646] netem: version 1.3
[  487.366540] ip (9130) used greatest stack depth: 12144 bytes left
[  489.892717] ip (9322) used greatest stack depth: 12048 bytes left