[    1.887560] ip (264) used greatest stack depth: 12304 bytes left
[    2.159611] ip (283) used greatest stack depth: 12272 bytes left
[   58.191736] netem: version 1.3
[  329.146806] ip (6642) used greatest stack depth: 12248 bytes left
[  674.642021] pm_nl_ctl (18833) used greatest stack depth: 11560 bytes left