[    2.743022] ip (293) used greatest stack depth: 12272 bytes left
[    5.986487] ip (540) used greatest stack depth: 12248 bytes left
[   27.572911] ip (1408) used greatest stack depth: 12000 bytes left
[   60.570720] netem: version 1.3
[  620.333818] tc (15599) used greatest stack depth: 11936 bytes left
[  686.340937] pm_nl_ctl (18737) used greatest stack depth: 11880 bytes left