[    1.613115] ip (254) used greatest stack depth: 12168 bytes left
[   50.205037] netem: version 1.3
[  109.030683] ip (3732) used greatest stack depth: 12120 bytes left
[  572.439325] tc (16942) used greatest stack depth: 11896 bytes left
[  628.666199] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left