[    1.574377] ip (267) used greatest stack depth: 12440 bytes left
[    1.640573] ip (276) used greatest stack depth: 12424 bytes left
[    1.784628] ip (294) used greatest stack depth: 12216 bytes left
[    3.248524] ip (493) used greatest stack depth: 12184 bytes left
[   72.661016] netem: version 1.3
[  633.802723] tc (24869) used greatest stack depth: 11880 bytes left