[    2.278645] ip (280) used greatest stack depth: 12272 bytes left
[   12.492018] ip (1146) used greatest stack depth: 12192 bytes left
[   55.540343] netem: version 1.3
[  419.425574] ip (8916) used greatest stack depth: 12104 bytes left
[  689.892565] pm_nl_ctl (18735) used greatest stack depth: 11912 bytes left