Azure has a number of ways in which to run containers, ranging from simple IaaS VMs running Docker, to Azure Container Service (a service that provisions a full container cluster using Kubernetes, Swarm or DC/OS) and Azure Container Instances. One of the characteristics of these services is that when a container is provisioned, it typically has an IP address allocated to it from within the local host, rather than from the Azure virtual network to which the host is connected. As an example, consider the following scenario where we have a single Azure IaaS virtual machine running Ubuntu and Docker:

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