[    1.704899] ip (257) used greatest stack depth: 12296 bytes left
[    2.062611] ip (295) used greatest stack depth: 12248 bytes left
[   48.607993] netem: version 1.3
[   56.702102] ip (3001) used greatest stack depth: 12120 bytes left
[  562.122056] tc (15680) used greatest stack depth: 11952 bytes left
[  620.618901] pm_nl_ctl (18825) used greatest stack depth: 11864 bytes left