[    2.410777] ip (292) used greatest stack depth: 12272 bytes left
[   57.009274] netem: version 1.3
[   75.796234] ip (3141) used greatest stack depth: 12240 bytes left
[  322.485481] ip (6205) used greatest stack depth: 12120 bytes left
[  619.065382] tc (15686) used greatest stack depth: 11896 bytes left
[  684.861460] pm_nl_ctl (18831) used greatest stack depth: 11704 bytes left