[    1.855231] ip (295) used greatest stack depth: 12248 bytes left
[   47.294992] netem: version 1.3
[  552.798337] ip (14729) used greatest stack depth: 12216 bytes left
[  643.280490] tc (21379) used greatest stack depth: 11952 bytes left
[  700.342978] pm_nl_ctl (24519) used greatest stack depth: 11872 bytes left