[    1.924241] ip (253) used greatest stack depth: 12384 bytes left
[    2.034055] ip (260) used greatest stack depth: 12336 bytes left
[    2.234608] ip (278) used greatest stack depth: 12064 bytes left
[   48.870691] netem: version 1.3
[  582.183839] tc (11905) used greatest stack depth: 11872 bytes left