[    1.830622] ip (260) used greatest stack depth: 12168 bytes left
[   53.274970] netem: version 1.3
[  119.741398] ip (4053) used greatest stack depth: 12120 bytes left
[  555.392873] tc (16939) used greatest stack depth: 11896 bytes left
[  612.924966] pm_nl_ctl (20242) used greatest stack depth: 11784 bytes left