[    2.376445] ip (282) used greatest stack depth: 12272 bytes left
[   55.873855] netem: version 1.3
[  540.060913] ip (11954) used greatest stack depth: 12248 bytes left
[  630.002610] tc (15685) used greatest stack depth: 11936 bytes left
[  695.899309] pm_nl_ctl (18830) used greatest stack depth: 11848 bytes left