[    1.679909] ip (253) used greatest stack depth: 12168 bytes left
[    9.921909] ip (1299) used greatest stack depth: 11928 bytes left
[   66.882594] netem: version 1.3
[  604.076510] tc (23600) used greatest stack depth: 11880 bytes left
[  667.551814] pm_nl_ctl (27729) used greatest stack depth: 11848 bytes left