[    1.650038] ip (253) used greatest stack depth: 12296 bytes left
[    1.863951] ip (276) used greatest stack depth: 12104 bytes left
[   49.518468] netem: version 1.3
[  564.334589] tc (15680) used greatest stack depth: 11952 bytes left
[  622.334849] pm_nl_ctl (18825) used greatest stack depth: 11856 bytes left