[    1.425228] ip (249) used greatest stack depth: 12376 bytes left
[    1.448295] ip (258) used greatest stack depth: 12232 bytes left
[   16.798411] ip (1722) used greatest stack depth: 12008 bytes left
[   48.465496] ip (3437) used greatest stack depth: 11960 bytes left
[   51.624018] netem: version 1.3
[   59.315720] ip (4470) used greatest stack depth: 11936 bytes left
[  553.219487] pm_nl_ctl (24834) used greatest stack depth: 11856 bytes left