[    2.525980] ip (295) used greatest stack depth: 12200 bytes left
[   30.615156] ip (1528) used greatest stack depth: 11928 bytes left
[   53.422379] netem: version 1.3
[  584.201702] tc (15680) used greatest stack depth: 11912 bytes left
[  643.551347] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left