[    2.308239] ip (265) used greatest stack depth: 12304 bytes left
[    2.642492] ip (284) used greatest stack depth: 12272 bytes left
[   67.604767] netem: version 1.3
[   78.485878] ip (2992) used greatest stack depth: 12248 bytes left
[  477.774353] ip (9582) used greatest stack depth: 12000 bytes left
[  646.663661] tc (15593) used greatest stack depth: 11936 bytes left
[  710.933151] pm_nl_ctl (18730) used greatest stack depth: 11880 bytes left