[    1.913758] ip (267) used greatest stack depth: 12360 bytes left
[    2.078464] ip (285) used greatest stack depth: 12184 bytes left
[   61.434424] ip (4064) used greatest stack depth: 11928 bytes left
[   78.105296] netem: version 1.3
[  700.621434] pm_nl_ctl (29001) used greatest stack depth: 11880 bytes left