[  138.612827][ T4296] netem: version 1.3
[  215.144125][ T5522] ip (5522) used greatest stack depth: 23776 bytes left
[  612.779523][T12563] ip (12563) used greatest stack depth: 23416 bytes left
[  630.577622][T12920] ip (12920) used greatest stack depth: 23240 bytes left
[  995.118737][T24624] pm_nl_ctl (24624) used greatest stack depth: 22928 bytes left