[    1.754181] ip (249) used greatest stack depth: 12368 bytes left
[    2.123050] ip (279) used greatest stack depth: 12320 bytes left
[   48.500725] netem: version 1.3
[   68.602374] ip (2375) used greatest stack depth: 12272 bytes left
[   86.380727] ip (2476) used greatest stack depth: 12032 bytes left
[  563.875017] tc (11910) used greatest stack depth: 11872 bytes left