[    2.267125] ip (292) used greatest stack depth: 12384 bytes left
[   39.825012] ip (1881) used greatest stack depth: 12256 bytes left
[   55.289585] netem: version 1.3
[  514.856614] ip (11971) used greatest stack depth: 12128 bytes left
[  671.631267] pm_nl_ctl (18828) used greatest stack depth: 11624 bytes left