[    1.679202] ip (258) used greatest stack depth: 12184 bytes left
[   49.537228] netem: version 1.3
[  492.559003] ip (13918) used greatest stack depth: 12136 bytes left
[  558.684337] tc (16941) used greatest stack depth: 11920 bytes left
[  614.177219] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left