VOL-3374 change default to use kind version v0.8.1

Change-Id: Ie9f255a46b3b0bf7591bfc4dc1d70bf7ed58dd85
diff --git a/voltha b/voltha
index 955a265..7f8d94c 100755
--- a/voltha
+++ b/voltha
@@ -38,7 +38,7 @@
 
 HELM_VERSION=${HELM_VERSION:-v3.2.4}
 VOLTCTL_VERSION=${VOLTCTL_VERSION:-latest}
-KIND_VERSION=${KIND_VERSION:-v0.5.1}
+KIND_VERSION=${KIND_VERSION:-v0.8.1}
 VK_RELEASE=${VK_RELEASE:-master}
 EXTRA_TOOLS=