[   73.854092] netem: version 1.3
[  356.512611] ip (8704) used greatest stack depth: 12088 bytes left
[  578.856107] ip (19108) used greatest stack depth: 12040 bytes left
[  637.528629] tc (20922) used greatest stack depth: 11864 bytes left
[  704.231346] pm_nl_ctl (24827) used greatest stack depth: 11848 bytes left