[    2.498502] ip (280) used greatest stack depth: 12272 bytes left
[   61.630902] netem: version 1.3
[   70.096392] ip (3011) used greatest stack depth: 12248 bytes left
[  623.465724] tc (15596) used greatest stack depth: 11936 bytes left
[  690.155585] pm_nl_ctl (18735) used greatest stack depth: 11624 bytes left