[    1.673467] ip (267) used greatest stack depth: 12376 bytes left
[    1.896702] ip (294) used greatest stack depth: 12360 bytes left
[    4.006878] ip (567) used greatest stack depth: 12200 bytes left
[   48.468305] netem: version 1.3
[  459.858371] ip (11161) used greatest stack depth: 12120 bytes left
[  632.563392] pm_nl_ctl (20241) used greatest stack depth: 11848 bytes left