[    1.592326] ip (258) used greatest stack depth: 12224 bytes left
[   49.129116] netem: version 1.3
[  483.279014] ip (13192) used greatest stack depth: 12176 bytes left
[  548.679660] tc (15680) used greatest stack depth: 11928 bytes left
[  606.652644] pm_nl_ctl (18824) used greatest stack depth: 11800 bytes left