[    2.391817] ip (289) used greatest stack depth: 12344 bytes left
[    5.408233] ip (545) used greatest stack depth: 12104 bytes left
[   54.697915] netem: version 1.3
[  622.436693] tc (15594) used greatest stack depth: 11936 bytes left
[  689.905113] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left