[    1.501241] ip (255) used greatest stack depth: 12184 bytes left
[   48.365626] netem: version 1.3
[   55.580631] ip (3217) used greatest stack depth: 12136 bytes left
[  540.812933] tc (16942) used greatest stack depth: 11920 bytes left
[  597.671309] pm_nl_ctl (20242) used greatest stack depth: 11800 bytes left