Update dependencies

vendor/golang.org/x/net/lif/address_test.go

@@ -78,15 +78,17 @@ type addrPack struct {
 }
 
 func addrPacks() ([]addrPack, error) {
+	var lastErr error
 	var aps []addrPack
 	for _, af := range [...]int{sysAF_UNSPEC, sysAF_INET, sysAF_INET6} {
 		as, err := Addrs(af, "")
 		if err != nil {
-			return nil, err
+			lastErr = err
+			continue
 		}
 		aps = append(aps, addrPack{af: af, as: as})
 	}
-	return aps, nil
+	return aps, lastErr
 }
 
 func TestAddrs(t *testing.T) {