[    1.507293] ip (258) used greatest stack depth: 12232 bytes left
[   31.162563] ip (2946) used greatest stack depth: 12216 bytes left
[   51.133878] netem: version 1.3
[   59.873112] ip (4460) used greatest stack depth: 12208 bytes left
[   69.760382] ip (4630) used greatest stack depth: 12168 bytes left
[   86.414618] ip (4847) used greatest stack depth: 12008 bytes left
[  560.718759] pm_nl_ctl (24827) used greatest stack depth: 11856 bytes left