[    4.604716] ip (660) used greatest stack depth: 12096 bytes left
[    4.882037] ip (695) used greatest stack depth: 11968 bytes left
[   48.713855] netem: version 1.3
[  563.720209] tc (16941) used greatest stack depth: 11896 bytes left
[  620.309244] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left