[    1.540948] ip (255) used greatest stack depth: 12184 bytes left
[   15.933097] ip (1396) used greatest stack depth: 11976 bytes left
[   50.476668] netem: version 1.3
[  548.973205] tc (16942) used greatest stack depth: 11920 bytes left
[  603.979574] pm_nl_ctl (20242) used greatest stack depth: 11848 bytes left