[    1.644852] ip (257) used greatest stack depth: 12296 bytes left
[    1.878307] ip (286) used greatest stack depth: 12248 bytes left
[   46.732766] netem: version 1.3
[  551.706697] tc (15681) used greatest stack depth: 11952 bytes left
[  669.963395] pm_nl_ctl (18830) used greatest stack depth: 11752 bytes left