[    1.839437] ip (267) used greatest stack depth: 12472 bytes left
[    2.000948] ip (286) used greatest stack depth: 12328 bytes left
[   51.791158] netem: version 1.3
[  350.439922] pm_nl_ctl (6796) used greatest stack depth: 12320 bytes left
[  444.016913] ip (9704) used greatest stack depth: 12216 bytes left
[  589.321359] tc (15679) used greatest stack depth: 11952 bytes left
[  647.947516] pm_nl_ctl (18823) used greatest stack depth: 11848 bytes left