[  264.715916][ T2851] netem: version 1.3
[  271.481872][ T2882] ip (2882) used greatest stack depth: 23688 bytes left
[  979.442853][ T8632] sysctl (8632) used greatest stack depth: 23640 bytes left
[ 1857.647491][T19966] pm_nl_ctl (19966) used greatest stack depth: 22784 bytes left