amazon web services - Vagrant AWS ELB's registering -

hello trying create instances in aws using vagrant. works fine. but, if add availability zones elb has no instances , if create instance in aws using vagrant. vagrant creates instance , @ time of registering elb register's , de-registers , terminates instance? how resolve it? can register instance 2 elb's using vagrant?

editor's note:

so's role is, link not trusted. pasted vagrantfile here directly.

vagrant.configure("2") |config|   config.vm.box = "ubuntu_aws"   config.vm.box_url = "https://github.com/mitchellh/vagrant-aws/raw/master/dummy.box"   config.vm.synced_folder "../.", "/vagrant", id: "vagrant-root"   config.vm.provider :aws |aws, override|     aws.keypair_name = "development"     override.ssh.private_key_path = "~/.ssh/development.pem"     aws.instance_type = "t1.micro"     aws.security_groups = "development"     aws.ami = "ami-c5afc2ac"     aws.elb = [elb1, elb2]     override.ssh.username = "ubuntu"     aws.tags = {       'name' => 'web app',      }   end