[  581.643978][ T5345] netem: version 1.3
[ 1986.562715][T15744] ip (15744) used greatest stack depth: 23712 bytes left
[ 2162.536817][T17371] ip (17371) used greatest stack depth: 23568 bytes left
[ 2555.409928][T21744] ip (21744) used greatest stack depth: 23488 bytes left
[ 3185.344194][T29003] pm_nl_ctl (29003) used greatest stack depth: 22784 bytes left