[    1.766092] ip (267) used greatest stack depth: 12624 bytes left
[    2.018806] ip (295) used greatest stack depth: 12288 bytes left
[   47.333709] netem: version 1.3
[  548.295036] tc (15679) used greatest stack depth: 11936 bytes left
[  605.901500] pm_nl_ctl (18822) used greatest stack depth: 11624 bytes left