[    1.770927] ip (294) used greatest stack depth: 12216 bytes left
[    4.533136] ip (649) used greatest stack depth: 12104 bytes left
[   46.591197] netem: version 1.3
[  618.760230] tc (21165) used greatest stack depth: 11952 bytes left
[  675.207593] pm_nl_ctl (24305) used greatest stack depth: 11872 bytes left