add some sleeps to help figure out mount error
diff --git a/tools/build_kvm.sh b/tools/build_kvm.sh
index 24e99f1..4cca5f9 100755
--- a/tools/build_kvm.sh
+++ b/tools/build_kvm.sh
@@ -231,8 +231,13 @@
 # Create our instance fs
 qemu-img create -f qcow2 -b $BASE_IMAGE_COPY disk
 
-# Mount the instance
+sleep 5
+
 qemu-nbd -c $NBD disk
+
+sleep 5
+
+# Mount the instance
 mount $NBD $ROOTFS -o offset=32256 -t ext4
 
 # Configure instance network