[    2.141868] ip (277) used greatest stack depth: 12344 bytes left
[    3.259497] ip (373) used greatest stack depth: 12064 bytes left
[   52.587014] netem: version 1.3
[  585.958096] tc (13805) used greatest stack depth: 11936 bytes left
[  651.311958] pm_nl_ctl (16719) used greatest stack depth: 11816 bytes left