[    1.615259] ip (256) used greatest stack depth: 12424 bytes left
[    1.920677] ip (287) used greatest stack depth: 12200 bytes left
[    2.998018] ip (422) used greatest stack depth: 11944 bytes left
[   47.858884] netem: version 1.3
[  548.038979] tc (16942) used greatest stack depth: 11888 bytes left
[  664.700902] pm_nl_ctl (20245) used greatest stack depth: 11864 bytes left