[    1.895768] ip (279) used greatest stack depth: 12320 bytes left
[   20.499894] ip (1118) used greatest stack depth: 12160 bytes left
[   20.658497] ip (1136) used greatest stack depth: 12144 bytes left
[   45.766688] netem: version 1.3
[  422.643406] ip (7721) used greatest stack depth: 12000 bytes left
[  541.819351] tc (11923) used greatest stack depth: 11872 bytes left