[    2.638262] ip (294) used greatest stack depth: 12384 bytes left
[   63.527713] netem: version 1.3
[   72.939595] ip (2998) used greatest stack depth: 12256 bytes left
[  642.285682] tc (15686) used greatest stack depth: 11896 bytes left
[  707.351483] pm_nl_ctl (18832) used greatest stack depth: 11608 bytes left