[    1.626771] ip (255) used greatest stack depth: 12168 bytes left
[   48.262323] netem: version 1.3
[  501.854950] ip (15579) used greatest stack depth: 12120 bytes left
[  543.366763] tc (16940) used greatest stack depth: 11912 bytes left
[  600.227968] pm_nl_ctl (20242) used greatest stack depth: 11856 bytes left