[    1.999380] ip (255) used greatest stack depth: 12224 bytes left
[   51.512785] netem: version 1.3
[  495.713908] ip (14426) used greatest stack depth: 12176 bytes left
[  559.333330] tc (16941) used greatest stack depth: 11920 bytes left
[  618.245546] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left