[    1.926649] ip (268) used greatest stack depth: 12408 bytes left
[    3.235524] ip (418) used greatest stack depth: 12328 bytes left
[    3.925863] ip (500) used greatest stack depth: 12248 bytes left
[   50.971522] netem: version 1.3
[  565.745146] tc (15682) used greatest stack depth: 11952 bytes left
[  623.556951] pm_nl_ctl (18825) used greatest stack depth: 11872 bytes left