[    1.395768] ip (217) used greatest stack depth: 12216 bytes left
[   22.563373] ip (1875) used greatest stack depth: 11960 bytes left
[   51.172213] netem: version 1.3
[   84.817052] ip (4856) used greatest stack depth: 11936 bytes left
[  558.028025] pm_nl_ctl (24826) used greatest stack depth: 11856 bytes left