[    1.375246] ip (218) used greatest stack depth: 12280 bytes left
[    1.515492] ip (258) used greatest stack depth: 12232 bytes left
[    3.339877] ip (722) used greatest stack depth: 12008 bytes left
[   17.017407] ip (1710) used greatest stack depth: 11960 bytes left
[   51.486886] netem: version 1.3
[  554.779427] pm_nl_ctl (24831) used greatest stack depth: 11856 bytes left