[    1.427530] ip (223) used greatest stack depth: 12216 bytes left
[    3.979111] ip (881) used greatest stack depth: 12040 bytes left
[   51.368288] netem: version 1.3
[   59.455209] ip (4485) used greatest stack depth: 11960 bytes left
[  552.791653] pm_nl_ctl (24821) used greatest stack depth: 11856 bytes left