[    3.028752] ip (279) used greatest stack depth: 12320 bytes left
[   58.831502] netem: version 1.3
[  384.417669] ip (6411) used greatest stack depth: 12224 bytes left
[  489.325093] ip (8899) used greatest stack depth: 12160 bytes left
[  572.971272] tc (11928) used greatest stack depth: 11872 bytes left