[  325.954390][ T3081] netem: version 1.3
[ 1141.597696][ T8365] ip (8365) used greatest stack depth: 24072 bytes left
[ 1773.634362][T13917] ip (13917) used greatest stack depth: 24032 bytes left
[ 2360.282545][T19902] ip (19902) used greatest stack depth: 23912 bytes left
[ 2386.943401][T20250] pm_nl_ctl (20250) used greatest stack depth: 22544 bytes left