[    1.676415] ip (258) used greatest stack depth: 12304 bytes left
[    1.973637] ip (295) used greatest stack depth: 12272 bytes left
[   48.594250] netem: version 1.3
[  547.151357] tc (15682) used greatest stack depth: 11952 bytes left
[  605.265060] pm_nl_ctl (18827) used greatest stack depth: 11864 bytes left