[    2.104849] ip (180) used greatest stack depth: 12360 bytes left
[    2.210021] ip (211) used greatest stack depth: 12128 bytes left
[    4.374374] ip (854) used greatest stack depth: 12088 bytes left
[   50.455923] netem: version 1.3
[  550.070974] pm_nl_ctl (24811) used greatest stack depth: 11944 bytes left