[    2.770714] ip (407) used greatest stack depth: 12272 bytes left
[   38.887935] ip (2558) used greatest stack depth: 12128 bytes left
[   46.300576] netem: version 1.3
[  560.064169] tc (15680) used greatest stack depth: 11952 bytes left
[  618.072109] pm_nl_ctl (18825) used greatest stack depth: 11864 bytes left