[    1.850186] ip (294) used greatest stack depth: 12248 bytes left
[    3.458417] ip (498) used greatest stack depth: 12232 bytes left
[   46.608583] netem: version 1.3
[  550.326334] tc (15682) used greatest stack depth: 11952 bytes left
[  607.534782] pm_nl_ctl (18826) used greatest stack depth: 11864 bytes left