[   12.320129] ip (216) used greatest stack depth: 12376 bytes left
[   12.420431] ip (247) used greatest stack depth: 12040 bytes left
[   15.942097] ip (1204) used greatest stack depth: 12032 bytes left
[   61.880624] netem: version 1.3
[  552.230143] pm_nl_ctl (24858) used greatest stack depth: 11856 bytes left