[    1.724374] ip (255) used greatest stack depth: 12296 bytes left
[    2.003964] ip (284) used greatest stack depth: 12248 bytes left
[   48.526420] netem: version 1.3
[  566.517127] tc (15679) used greatest stack depth: 11952 bytes left
[  625.458478] pm_nl_ctl (18824) used greatest stack depth: 11752 bytes left