[    2.128248] ip (187) used greatest stack depth: 12592 bytes left
[    2.231618] ip (222) used greatest stack depth: 12544 bytes left
[    2.668488] ip (345) used greatest stack depth: 12400 bytes left
[    4.800940] ip (983) used greatest stack depth: 12336 bytes left
[   50.418998] netem: version 1.3
[   59.431773] ip (4449) used greatest stack depth: 12064 bytes left
[  550.453076] pm_nl_ctl (24829) used greatest stack depth: 11912 bytes left