Specify trusty release when creating VMs with uvt-kvm
diff --git a/scripts/create-vms.sh b/scripts/create-vms.sh
index dba3099..1f1c789 100755
--- a/scripts/create-vms.sh
+++ b/scripts/create-vms.sh
@@ -8,7 +8,7 @@
 	uvt-kvm list | grep $1
 	if [ "$?" -ne "0" ]
 	then
-		uvt-kvm create $NAME --cpu=$CPU --memory=$MEM_MB --disk=$DISK_GB
+		uvt-kvm create $NAME release=trusty --cpu=$CPU --memory=$MEM_MB --disk=$DISK_GB
 		uvt-kvm wait --insecure $NAME
 	fi
 }