[    2.084986] ip (295) used greatest stack depth: 12248 bytes left
[   51.037017] netem: version 1.3
[  556.523860] ip (15306) used greatest stack depth: 12232 bytes left
[  559.818268] tc (15681) used greatest stack depth: 11952 bytes left
[  616.676852] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left