[    2.450392] ip (286) used greatest stack depth: 12344 bytes left
[   54.980068] netem: version 1.3
[  326.221334] ip (5777) used greatest stack depth: 12192 bytes left
[  400.086032] ip (7782) used greatest stack depth: 12064 bytes left
[  665.260488] pm_nl_ctl (16719) used greatest stack depth: 11784 bytes left