ClatdController: handle {in, e}gress filter cleanup in maybe{Start, Stop}Bpf()
Preparation for moving qdisc clsact control plane to RouteController.cpp
Currently, both ingress and egress filter removing are relied on
qdisc removing which removes any filters attached to. After moving
qdisc clsact control plane out, ClatdController have to handle filter
removing.
Test: manual clatd test
1. Connect to IPv6-Only WiFi hotspot
2. ping 8.8.8.8 successfully
3. Disconnect from WiFi
Repeat the above steps three times and check if any error in logcat.
Change-Id: I3009994d9a336e9c40ba06d08bed1fac17c1f4ce
1 file changed