[    2.655037] ip (282) used greatest stack depth: 12384 bytes left
[   64.650895] netem: version 1.3
[   71.832052] ip (3025) used greatest stack depth: 12256 bytes left
[  623.398947] tc (15685) used greatest stack depth: 11936 bytes left
[  689.619596] pm_nl_ctl (18829) used greatest stack depth: 11880 bytes left