[    1.715293] ip (255) used greatest stack depth: 12144 bytes left
[   49.264793] netem: version 1.3
[  497.391246] ip (13301) used greatest stack depth: 12096 bytes left
[  568.934763] tc (16941) used greatest stack depth: 11896 bytes left
[  625.183415] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left