[    2.415985] ip (287) used greatest stack depth: 12344 bytes left
[    9.029380] ip (767) used greatest stack depth: 12192 bytes left
[   45.665165] ip (2017) used greatest stack depth: 12064 bytes left
[   54.143404] netem: version 1.3
[  610.911608] tc (12618) used greatest stack depth: 11936 bytes left