[    1.530823] ip (253) used greatest stack depth: 12168 bytes left
[    1.767713] ip (276) used greatest stack depth: 11928 bytes left
[   66.552055] netem: version 1.3
[  601.404883] tc (23602) used greatest stack depth: 11880 bytes left
[  664.849395] pm_nl_ctl (27730) used greatest stack depth: 11848 bytes left