Fix dead link to l3-interconnect doc
Fix dead link to l3-interconnect doc

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