[    1.866787] ip (255) used greatest stack depth: 12296 bytes left
[    2.293012] ip (296) used greatest stack depth: 12248 bytes left
[   53.328368] netem: version 1.3
[  626.079819] tc (21328) used greatest stack depth: 11952 bytes left
[  682.913968] pm_nl_ctl (24469) used greatest stack depth: 11752 bytes left