[   28.004583] ip (1714) used greatest stack depth: 12336 bytes left
[   39.827590] ip (2264) used greatest stack depth: 12072 bytes left
[   62.275190] netem: version 1.3
[   70.170877] ip (4482) used greatest stack depth: 12040 bytes left
[  558.873209] pm_nl_ctl (24866) used greatest stack depth: 11864 bytes left