[   12.323205] ip (220) used greatest stack depth: 12376 bytes left
[   12.434419] ip (256) used greatest stack depth: 12072 bytes left
[   15.351345] ip (1042) used greatest stack depth: 12032 bytes left
[   62.377032] netem: version 1.3
[  564.433646] pm_nl_ctl (24848) used greatest stack depth: 11864 bytes left