[    1.912901] ip (258) used greatest stack depth: 12320 bytes left
[    2.340786] ip (289) used greatest stack depth: 12272 bytes left
[   57.486507] netem: version 1.3
[   66.058437] ip (3002) used greatest stack depth: 12112 bytes left
[  623.232506] tc (15593) used greatest stack depth: 11896 bytes left
[  689.591160] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left