[    1.618361] ip (256) used greatest stack depth: 12296 bytes left
[    1.879355] ip (285) used greatest stack depth: 12248 bytes left
[   49.371827] netem: version 1.3
[  561.750023] ip (15140) used greatest stack depth: 12232 bytes left
[  632.689488] tc (21398) used greatest stack depth: 11952 bytes left
[  750.748384] pm_nl_ctl (24543) used greatest stack depth: 11872 bytes left