[    1.923362] ip (252) used greatest stack depth: 12296 bytes left
[    2.288052] ip (285) used greatest stack depth: 12248 bytes left
[   53.880213] netem: version 1.3
[  641.849097] tc (21187) used greatest stack depth: 11952 bytes left
[  697.824377] pm_nl_ctl (24330) used greatest stack depth: 11872 bytes left