[    2.142413] ip (183) used greatest stack depth: 12352 bytes left
[    2.166677] ip (191) used greatest stack depth: 12112 bytes left
[    2.236306] ip (219) used greatest stack depth: 12072 bytes left
[   50.233636] netem: version 1.3
[   65.869543] ip (4614) used greatest stack depth: 12064 bytes left
[  531.599274] pm_nl_ctl (24833) used greatest stack depth: 11944 bytes left