[    2.064623] ip (264) used greatest stack depth: 12368 bytes left
[   40.186900] ip (1733) used greatest stack depth: 12360 bytes left
[   59.583383] netem: version 1.3
[   88.184604] ip (3308) used greatest stack depth: 12128 bytes left
[  611.563196] tc (15686) used greatest stack depth: 11936 bytes left
[  679.467301] pm_nl_ctl (18832) used greatest stack depth: 11880 bytes left