[    1.582542] ip (255) used greatest stack depth: 12184 bytes left
[   34.408620] ip (1989) used greatest stack depth: 12136 bytes left
[   47.675172] netem: version 1.3
[  535.257371] tc (16941) used greatest stack depth: 11920 bytes left
[  591.970132] pm_nl_ctl (20242) used greatest stack depth: 11848 bytes left