tests/vm: update netbsd to version 8.1

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20191031085306.28888-5-kraxel@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
diff --git a/tests/vm/netbsd b/tests/vm/netbsd
index 0083f7f..c48c608 100755
--- a/tests/vm/netbsd
+++ b/tests/vm/netbsd
@@ -22,7 +22,7 @@
     name = "netbsd"
     arch = "x86_64"
 
-    link = "https://cdn.netbsd.org/pub/NetBSD/NetBSD-8.0/images/NetBSD-8.0-amd64.iso"
+    link = "https://cdn.netbsd.org/pub/NetBSD/NetBSD-8.1/images/NetBSD-8.1-amd64.iso"
     size = "20G"
     pkgs = [
         # tools