[    2.233800] ip (199) used greatest stack depth: 12320 bytes left
[    2.310838] ip (226) used greatest stack depth: 12088 bytes left
[   50.412595] netem: version 1.3
[  125.222022] ip (5195) used greatest stack depth: 12072 bytes left
[  550.441570] pm_nl_ctl (24821) used greatest stack depth: 11944 bytes left