[   59.173297] netem: version 1.3
[   96.299034] ip (3483) used greatest stack depth: 12248 bytes left
[  310.235421] ip (6200) used greatest stack depth: 12104 bytes left
[  613.845083] tc (15594) used greatest stack depth: 11936 bytes left
[  678.904574] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left