In the same host, within the container cannot access the exposed ports of the other container or itself via the host's IP

1

Rancher Version:

1.2.2

Docker Version:

1.12.3

OS and where are the hosts located? (cloud, bare metal, etc):

bare metal

Setup Details: (single node rancher vs. HA rancher, internal DB vs. external DB)

single node rancher

Environment Type: (Cattle/Kubernetes/Swarm/Mesos)

Cattle

Steps to Reproduce:

Create a container A that publishes a port.
Create another container B and docker run exec into the container.
In the B try to connect to A of the service via the IP of the host .it does NOT work.
In the A try to connect to itselt via the host IP.it does NOT work.