[    1.664080] ip (254) used greatest stack depth: 12296 bytes left
[    2.036473] ip (294) used greatest stack depth: 12248 bytes left
[   51.159964] netem: version 1.3
[   61.449541] ip (3001) used greatest stack depth: 12104 bytes left
[  579.122654] tc (15678) used greatest stack depth: 11952 bytes left
[  635.454525] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left