[    1.799244] ip (267) used greatest stack depth: 12376 bytes left
[    1.945000] ip (285) used greatest stack depth: 12184 bytes left
[   66.786028] netem: version 1.3
[  619.567902] tc (23604) used greatest stack depth: 11880 bytes left
[  681.862894] pm_nl_ctl (27732) used greatest stack depth: 11848 bytes left