[    2.129199] ip (285) used greatest stack depth: 12360 bytes left
[    7.971686] ip (794) used greatest stack depth: 12344 bytes left
[   51.266211] netem: version 1.3
[  503.592584] ip (10417) used greatest stack depth: 12192 bytes left
[  582.966067] tc (12964) used greatest stack depth: 11936 bytes left