[    2.136780] ip (256) used greatest stack depth: 12304 bytes left
[    2.564595] ip (288) used greatest stack depth: 12272 bytes left
[   61.811182] netem: version 1.3
[   91.125208] ip (3325) used greatest stack depth: 12248 bytes left
[  523.885985] ip (11974) used greatest stack depth: 12240 bytes left
[  614.787667] tc (15596) used greatest stack depth: 11936 bytes left
[  680.954603] pm_nl_ctl (18734) used greatest stack depth: 11912 bytes left