[   49.471709] netem: version 1.3
[   69.884151] ip (3397) used greatest stack depth: 12120 bytes left
[  107.569786] ip (3749) used greatest stack depth: 11912 bytes left
[  573.635032] tc (16939) used greatest stack depth: 11896 bytes left
[  630.731460] pm_nl_ctl (20239) used greatest stack depth: 11856 bytes left