ensure elb and internal subnets have same AZ
ensure elb and internal subnets have same AZ

zachgersh/concourse,squeedee/concourse,holgero/concourse,longnguyen11288/concourse,CloudCredo/concourse,squeedee/concourse,jbayer/concourse,concourse/concourse,concourse/concourse,cjcjameson/concourse,sedouard/concourse,zachgersh/concourse,jbayer/concourse,concourse/concourse,cjcjameson/concourse,cjcjameson/concourse,Amit-PivotalLabs/concourse,concourse/concourse,beni55/concourse,longnguyen11288/concourse,concourse/concourse,squeedee/concourse,Amit-PivotalLabs/concourse,longnguyen11288/concourse,beni55/concourse,sedouard/concourse,CloudCredo/concourse,holgero/concourse,beni55/concourse,sedouard/concourse,Amit-PivotalLabs/concourse,holgero/concourse,jbayer/concourse,CloudCredo/concourse,zachgersh/concourse