Fix loopback cruft

tunnel/link.go

@@ -0,0 +1,13 @@
+package tunnel
+
+import (
+	"github.com/google/uuid"
+	"github.com/micro/go-micro/transport"
+)
+
+func newLink(s transport.Socket) *link {
+	return &link{
+		Socket: s,
+		id:     uuid.New().String(),
+	}
+}