[    5.883098] ip (296) used greatest stack depth: 12272 bytes left
[   37.826715] ip (1557) used greatest stack depth: 12248 bytes left
[   64.967690] netem: version 1.3
[  614.269705] tc (15591) used greatest stack depth: 11936 bytes left
[  682.192230] pm_nl_ctl (18729) used greatest stack depth: 11912 bytes left