[    1.953473] ip (259) used greatest stack depth: 12248 bytes left
[    8.232294] ip (884) used greatest stack depth: 12200 bytes left
[   52.565868] netem: version 1.3
[  554.845234] tc (15680) used greatest stack depth: 11952 bytes left
[  613.415966] pm_nl_ctl (18825) used greatest stack depth: 11736 bytes left