[    1.741798] ip (268) used greatest stack depth: 12416 bytes left
[    2.003948] ip (295) used greatest stack depth: 12256 bytes left
[   51.316372] netem: version 1.3
[   93.632464] ip (3759) used greatest stack depth: 12240 bytes left
[  570.311431] tc (16941) used greatest stack depth: 11920 bytes left
[  628.428953] pm_nl_ctl (20242) used greatest stack depth: 11856 bytes left