[    1.668847] ip (255) used greatest stack depth: 12296 bytes left
[   51.385355] netem: version 1.3
[  126.411666] ip (3624) used greatest stack depth: 12112 bytes left
[  579.440651] tc (15680) used greatest stack depth: 11952 bytes left
[  641.723372] pm_nl_ctl (18824) used greatest stack depth: 11856 bytes left