[    2.512026] ip (217) used greatest stack depth: 12344 bytes left
[    2.617560] ip (252) used greatest stack depth: 12048 bytes left
[   52.196590] netem: version 1.3
[   61.892945] ip (4479) used greatest stack depth: 12024 bytes left
[  557.610724] pm_nl_ctl (24666) used greatest stack depth: 11856 bytes left