[    1.733952] ip (255) used greatest stack depth: 12552 bytes left
[    1.789988] ip (260) used greatest stack depth: 12168 bytes left
[   50.778735] netem: version 1.3
[  554.644231] ip (16232) used greatest stack depth: 12040 bytes left
[  570.364326] tc (16941) used greatest stack depth: 11896 bytes left
[  626.791862] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left