[    1.721321] ip (267) used greatest stack depth: 12520 bytes left
[    1.744084] ip (270) used greatest stack depth: 12488 bytes left
[    1.792087] ip (276) used greatest stack depth: 12456 bytes left
[    1.865310] ip (286) used greatest stack depth: 12216 bytes left
[    2.951745] ip (429) used greatest stack depth: 12200 bytes left
[    3.683532] ip (523) used greatest stack depth: 12136 bytes left
[   47.755676] netem: version 1.3
[  554.210698] tc (16949) used greatest stack depth: 11920 bytes left
[  610.455477] pm_nl_ctl (20250) used greatest stack depth: 11608 bytes left