[    2.382087] ip (281) used greatest stack depth: 12320 bytes left
[   51.569363] netem: version 1.3
[  335.717600] ip (5144) used greatest stack depth: 12272 bytes left
[  587.676143] ip (11631) used greatest stack depth: 12128 bytes left
[  591.992211] tc (11923) used greatest stack depth: 11872 bytes left