[    1.901267] ip (253) used greatest stack depth: 12296 bytes left
[    2.573785] ip (294) used greatest stack depth: 12248 bytes left
[   53.880766] netem: version 1.3
[  582.246846] tc (15678) used greatest stack depth: 11912 bytes left
[  640.969196] pm_nl_ctl (18823) used greatest stack depth: 11752 bytes left