[    1.962308] ip (251) used greatest stack depth: 12296 bytes left
[   54.046343] netem: version 1.3
[   62.233999] ip (3000) used greatest stack depth: 12104 bytes left
[  630.574835] tc (21265) used greatest stack depth: 11952 bytes left
[  687.439243] pm_nl_ctl (24405) used greatest stack depth: 11872 bytes left