[    1.983885] ip (263) used greatest stack depth: 12880 bytes left
[    2.152762] ip (273) used greatest stack depth: 12608 bytes left
[    2.253223] ip (282) used greatest stack depth: 12272 bytes left
[   55.864643] netem: version 1.3
[   90.327676] ip (3306) used greatest stack depth: 12128 bytes left
[  615.870825] tc (15596) used greatest stack depth: 11896 bytes left
[  684.850103] pm_nl_ctl (18736) used greatest stack depth: 11880 bytes left