[    2.669523] ip (276) used greatest stack depth: 12344 bytes left
[   13.946282] ip (944) used greatest stack depth: 12288 bytes left
[   64.324394] netem: version 1.3
[  399.784392] ip (6882) used greatest stack depth: 12280 bytes left
[  610.868048] tc (13804) used greatest stack depth: 11936 bytes left
[  675.357977] pm_nl_ctl (16880) used greatest stack depth: 11848 bytes left