[    1.986740] ip (254) used greatest stack depth: 12152 bytes left
[   78.634161] netem: version 1.3
[  573.136692] ip (20990) used greatest stack depth: 12088 bytes left
[  660.570478] tc (26298) used greatest stack depth: 11864 bytes left
[  727.211044] pm_nl_ctl (30565) used greatest stack depth: 11856 bytes left