[    1.651403] ip (257) used greatest stack depth: 12248 bytes left
[   49.709151] netem: version 1.3
[   65.458773] ip (3141) used greatest stack depth: 12200 bytes left
[  559.644618] tc (15679) used greatest stack depth: 11952 bytes left
[  616.362801] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left