[    2.486921] ip (218) used greatest stack depth: 12216 bytes left
[    2.583148] ip (250) used greatest stack depth: 12008 bytes left
[   12.293998] ip (1550) used greatest stack depth: 11976 bytes left
[   52.054453] netem: version 1.3
[  569.195594] pm_nl_ctl (25045) used greatest stack depth: 11864 bytes left