[  456.335462][ T2861] netem: version 1.3
[  571.954124][ T3364] ip (3364) used greatest stack depth: 24208 bytes left
[  777.900108][ T4193] ip (4193) used greatest stack depth: 23648 bytes left
[ 1054.000557][  T954] kworker/0:2 (954) used greatest stack depth: 23104 bytes left
[ 2987.354926][T18785] pm_nl_ctl (18785) used greatest stack depth: 22496 bytes left