[    1.811904] ip (285) used greatest stack depth: 12272 bytes left
[    3.633577] ip (525) used greatest stack depth: 12128 bytes left
[   45.931539] netem: version 1.3
[  565.446212] tc (15679) used greatest stack depth: 11912 bytes left
[  624.428827] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left