[    1.798568] ip (246) used greatest stack depth: 12384 bytes left
[    1.988921] ip (258) used greatest stack depth: 12336 bytes left
[   50.340411] netem: version 1.3
[  496.664407] ip (10456) used greatest stack depth: 12288 bytes left
[  556.857165] tc (11936) used greatest stack depth: 11872 bytes left