[    1.677031] ip (276) used greatest stack depth: 12440 bytes left
[    1.749380] ip (285) used greatest stack depth: 12360 bytes left
[    1.822209] ip (294) used greatest stack depth: 12184 bytes left
[   24.305009] ip (2095) used greatest stack depth: 11944 bytes left
[   74.560909] netem: version 1.3
[  610.551484] tc (24871) used greatest stack depth: 11880 bytes left