[    1.516487] ip (255) used greatest stack depth: 12184 bytes left
[   50.847748] netem: version 1.3
[   70.273101] ip (3397) used greatest stack depth: 12136 bytes left
[  560.183312] tc (16943) used greatest stack depth: 11920 bytes left
[  615.757182] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left