[    1.843951] ip (295) used greatest stack depth: 12232 bytes left
[   49.755482] netem: version 1.3
[  490.067857] ip (11836) used greatest stack depth: 12216 bytes left
[  630.674263] tc (21561) used greatest stack depth: 11952 bytes left
[  689.566564] pm_nl_ctl (24702) used greatest stack depth: 11872 bytes left