[   12.364478] ip (246) used greatest stack depth: 12304 bytes left
[   12.386834] ip (255) used greatest stack depth: 12040 bytes left
[   13.540285] ip (556) used greatest stack depth: 12032 bytes left
[   62.066755] netem: version 1.3
[  566.383812] pm_nl_ctl (24862) used greatest stack depth: 11864 bytes left