[    2.169220] ip (196) used greatest stack depth: 12288 bytes left
[   16.930671] ip (1675) used greatest stack depth: 12136 bytes left
[   47.918643] ip (3576) used greatest stack depth: 12024 bytes left
[   50.162088] netem: version 1.3
[  542.192733] pm_nl_ctl (24830) used greatest stack depth: 11864 bytes left