Connection: is now firmly a HTTP1 thing.

bin/varnishd/cache/cache_req_fsm.c

@@ -592,8 +592,6 @@ cnt_recv(struct worker *wrk, struct req *req)
 		}
 	}
 
-	req->doclose = http_DoConnection(req->http);
-
 	/* By default we use the first backend */
 	AZ(req->director_hint);
 	req->director_hint = req->vcl->director[0];

bin/varnishd/http1/cache_http1_fsm.c

@@ -303,6 +303,8 @@ http1_dissect(struct worker *wrk, struct req *req)
 	AZ(req->err_code);
 	req->ws_req = WS_Snapshot(req->ws);
 
+	req->doclose = http_DoConnection(req->http);
+
 	assert(req->req_body_status != REQ_BODY_INIT);
 
 	HTTP_Copy(req->http0, req->http);	// For ESI & restart