[   12.311006] ip (215) used greatest stack depth: 12272 bytes left
[   12.434082] ip (255) used greatest stack depth: 12072 bytes left
[   15.981362] ip (1223) used greatest stack depth: 12040 bytes left
[   62.039167] netem: version 1.3
[  138.425064] ip (5217) used greatest stack depth: 12024 bytes left
[  571.680925] pm_nl_ctl (24863) used greatest stack depth: 11856 bytes left