[   12.383099] ip (255) used greatest stack depth: 12072 bytes left
[   61.877250] netem: version 1.3
[   71.777660] ip (4475) used greatest stack depth: 12040 bytes left
[  120.770271] ip (5040) used greatest stack depth: 12032 bytes left
[  578.700001] pm_nl_ctl (24864) used greatest stack depth: 11864 bytes left