[    1.831517] ip (257) used greatest stack depth: 12280 bytes left
[    2.121077] ip (286) used greatest stack depth: 12232 bytes left
[   49.645716] netem: version 1.3
[  614.671838] tc (21248) used greatest stack depth: 11912 bytes left
[  673.409310] pm_nl_ctl (24388) used greatest stack depth: 11872 bytes left