[    1.791951] ip (278) used greatest stack depth: 12408 bytes left
[    3.041795] ip (430) used greatest stack depth: 12216 bytes left
[   53.725650] netem: version 1.3
[   87.437051] ip (3749) used greatest stack depth: 12200 bytes left
[  556.001146] tc (16931) used greatest stack depth: 11928 bytes left
[  617.921610] pm_nl_ctl (20232) used greatest stack depth: 11880 bytes left