[   13.514901] ip (557) used greatest stack depth: 12168 bytes left
[   16.475948] ip (1383) used greatest stack depth: 12056 bytes left
[   62.127705] netem: version 1.3
[  108.880174] ip (5208) used greatest stack depth: 12040 bytes left
[  604.817656] pm_nl_ctl (24863) used greatest stack depth: 11856 bytes left