Suppress IPv6 flows when the device is not configured with IPv6

- Do not punt link local address if the device is not configured with ipv6Loopback
- Do not punt NDP and block DAD if the device is not configured with ipv6Loopback

Change-Id: Iaf36bcf9bf3c11bc199c271f1a03eb6ae448cfab
1 file changed
tree: 692272db608049533bc6f4accc036adacb2bbf9c
  1. BUCK
  2. BUILD
  3. app/
  4. web/