[    1.525227] ip (252) used greatest stack depth: 12296 bytes left
[    1.875451] ip (293) used greatest stack depth: 12248 bytes left
[   47.886460] netem: version 1.3
[  572.416387] tc (15678) used greatest stack depth: 11952 bytes left
[  633.283346] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left