[    3.402956] ip (286) used greatest stack depth: 12360 bytes left
[    3.557078] ip (295) used greatest stack depth: 12344 bytes left
[   62.751562] netem: version 1.3
[  349.121659] pm_nl_ctl (6045) used greatest stack depth: 12336 bytes left
[  397.383796] ip (7118) used greatest stack depth: 12032 bytes left
[  601.600406] tc (13805) used greatest stack depth: 11936 bytes left
[  666.619538] pm_nl_ctl (16879) used greatest stack depth: 11592 bytes left