The bootstrap script fails when the APT index in the base box is not up to date, as it will try to install obsolete packages and get 404 errors.
@@ -90,6 +90,7 @@ if [ ! -e "~/.firstboot" ]; then
# Install prerequisite tools
echo "Installing prerequisites"
+ sudo apt-get update
sudo apt-get install -y git
sudo apt-get install -y python-pip