[    1.621698] ip (256) used greatest stack depth: 12824 bytes left
[    1.642191] ip (259) used greatest stack depth: 12248 bytes left
[   47.441183] netem: version 1.3
[  557.949153] tc (15681) used greatest stack depth: 11952 bytes left
[  617.213138] pm_nl_ctl (18826) used greatest stack depth: 11736 bytes left