[    2.482079] ip (214) used greatest stack depth: 12272 bytes left
[    2.559250] ip (236) used greatest stack depth: 12072 bytes left
[    4.932622] ip (888) used greatest stack depth: 12040 bytes left
[   52.266056] netem: version 1.3
[  119.608579] ip (5208) used greatest stack depth: 12008 bytes left
[  546.454926] pm_nl_ctl (24666) used greatest stack depth: 11856 bytes left