[    1.651600] ip (254) used greatest stack depth: 12296 bytes left
[    2.024224] ip (295) used greatest stack depth: 12248 bytes left
[   50.634244] netem: version 1.3
[   63.424137] hrtimer: interrupt took 4093 ns
[  549.233659] tc (15679) used greatest stack depth: 11912 bytes left
[  607.424053] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left