[    1.644940] ip (286) used greatest stack depth: 12248 bytes left
[   46.016648] netem: version 1.3
[   77.933856] ip (3311) used greatest stack depth: 12104 bytes left
[  628.622585] tc (21131) used greatest stack depth: 11952 bytes left
[  688.669213] pm_nl_ctl (24270) used greatest stack depth: 11872 bytes left