[    2.051593] ip (177) used greatest stack depth: 12352 bytes left
[    2.094254] ip (190) used greatest stack depth: 12112 bytes left
[    3.207689] ip (520) used greatest stack depth: 12080 bytes left
[   50.584625] netem: version 1.3
[  527.607098] pm_nl_ctl (24823) used greatest stack depth: 11944 bytes left