Update FAQ with proxy ARP and link-local gateway info.
Update FAQ with proxy ARP and link-local gateway info.

tomdee/calico,bcreane/calico,gunjan5/calico,caseydavenport/calico,gunjan5/calico,tomdee/calico,bcreane/calico,gunjan5/calico,gunjan5/calico,caseydavenport/calico,tomdee/calico,bcreane/calico,bcreane/calico,heschlie/calico,heschlie/calico,caseydavenport/calico,bcreane/calico,bcreane/calico,heschlie/calico,caseydavenport/calico,heschlie/calico,gunjan5/calico,tomdee/calico,caseydavenport/calico,heschlie/calico,heschlie/calico,tomdee/calico,gunjan5/calico,caseydavenport/calico