[    2.320798] ip (278) used greatest stack depth: 12360 bytes left
[    5.608273] ip (510) used greatest stack depth: 12344 bytes left
[   56.391667] netem: version 1.3
[  188.029745] ip (4160) used greatest stack depth: 12064 bytes left
[  591.245141] tc (13805) used greatest stack depth: 11936 bytes left
[  657.909054] pm_nl_ctl (16880) used greatest stack depth: 11848 bytes left