[    2.431409] ip (223) used greatest stack depth: 12216 bytes left
[   49.032194] ip (3446) used greatest stack depth: 11984 bytes left
[   52.204771] netem: version 1.3
[   96.459451] ip (5036) used greatest stack depth: 11936 bytes left
[  551.230509] pm_nl_ctl (24832) used greatest stack depth: 11784 bytes left