[    2.078628] ip (255) used greatest stack depth: 12392 bytes left
[    2.426732] ip (278) used greatest stack depth: 12328 bytes left
[    2.747123] ip (296) used greatest stack depth: 12200 bytes left
[    5.091775] ip (494) used greatest stack depth: 12168 bytes left
[   80.175695] netem: version 1.3
[  621.430453] tc (24874) used greatest stack depth: 11864 bytes left
[  686.529162] pm_nl_ctl (29003) used greatest stack depth: 11816 bytes left