[  123.844335][ T4273] netem: version 1.3
[  210.924188][ T5525] ip (5525) used greatest stack depth: 24056 bytes left
[  236.018995][ T5684] ip (5684) used greatest stack depth: 23992 bytes left
[  734.373645][T15208] ip (15208) used greatest stack depth: 23752 bytes left
[  989.340037][T24790] pm_nl_ctl (24790) used greatest stack depth: 23000 bytes left