vtest "xff handling discards multiple headers"

server s1 {
	rxreq
	expect req.http.X-Forwarded-For == "1.2.3.4, 5.6.7.8, ${localhost}"
	txresp
} -start

vinyl v1 -vcl+backend {
} -start

client c1 {
	txreq -hdr "X-Forwarded-For: 1.2.3.4" -hdr "X-Forwarded-For: 5.6.7.8"
	rxresp
} -run

