[    2.258636] ip (263) used greatest stack depth: 12600 bytes left
[    2.510223] ip (281) used greatest stack depth: 12352 bytes left
[    6.450574] ip (567) used greatest stack depth: 12344 bytes left
[   52.208497] netem: version 1.3
[   66.032638] ip (2347) used greatest stack depth: 12200 bytes left
[   96.364955] ip (2740) used greatest stack depth: 12072 bytes left