[    1.512329] ip (257) used greatest stack depth: 12168 bytes left
[   50.473527] ip (3786) used greatest stack depth: 12152 bytes left
[   52.511156] netem: version 1.3
[  470.068753] ip (18440) used greatest stack depth: 12120 bytes left
[  566.406398] pm_nl_ctl (24824) used greatest stack depth: 11856 bytes left