[    2.452181] ip (287) used greatest stack depth: 12344 bytes left
[   59.598639] netem: version 1.3
[  514.392684] ip (11714) used greatest stack depth: 12064 bytes left
[  605.850933] tc (15593) used greatest stack depth: 11936 bytes left
[  673.692918] pm_nl_ctl (18731) used greatest stack depth: 11864 bytes left