[  311.797873][ T3081] netem: version 1.3
[  473.685734][ T3908] ip (3908) used greatest stack depth: 23448 bytes left
[ 2063.860692][T16944] tc (16944) used greatest stack depth: 23368 bytes left
[ 2341.023556][T20246] pm_nl_ctl (20246) used greatest stack depth: 21984 bytes left