enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot
..
..
@@ -3,3 +3,4 @@
3
3
 rcutree.gp_init_delay=3
4
4
 rcutree.gp_cleanup_delay=3
5
5
 rcutree.kthread_prio=2
6
+threadirqs