Fix vfioveth to return empty string for mac when not provided

Change-Id: I32fc413812f8c8c799f7441d14ac8b62ae20089f
diff --git a/VERSION b/VERSION
index 524cb55..45a1b3f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.1
+1.1.2
diff --git a/vfioveth b/vfioveth
index 8fb1e5a..c84165d 100755
--- a/vfioveth
+++ b/vfioveth
@@ -30,7 +30,7 @@
 
 add_pair_ns() {
 	vfpci=$(echo $CNI_CONF | jq -r '.deviceID')
-	mac=$(echo $CNI_CONF | jq -r '.runtimeConfig.mac')
+	mac=$(echo $CNI_CONF | jq -r '.runtimeConfig.mac // empty')
 	if [ -z "$mac" ]; then
 		mac=$(get_mac_with_vfpci $vfpci)
 	fi