Comment 5 for bug 1493217

For swarm, this issue is reproducible. When no no_proxy is not specified then it sets its own IP three, for exmaple

magnum cluster-template-show swarm-cluster-template-customized
+-----------------------+---------------------------------------------+
| Property | Value |
+-----------------------+---------------------------------------------+
| insecure_registry | - |
| labels | {'flannel_network_cidr': '192.168.10.0/24'} |
| updated_at | - |
| floating_ip_enabled | True |
| fixed_subnet | private-subnet |
| master_flavor_id | - |
| uuid | 025e2e73-3055-4f76-9033-a079c9262ce4 |
| no_proxy | - |
| https_proxy | - |
| tls_disabled | False |
| keypair_id | testkey |
| public | False |
| http_proxy | 172.30.66.104 |
| docker_volume_size | 5 |
| server_type | vm |
| external_network_id | public |
| cluster_distro | fedora-atomic |
| image_id | fedora-atomic-latest |
| volume_driver | - |
| registry_enabled | False |
| docker_storage_driver | devicemapper |
| apiserver_port | - |
| name | swarm-cluster-template-customized |
| created_at | 2016-09-06T03:24:58+00:00 |
| network_driver | docker |
| fixed_network | private |
| coe | swarm |
| flavor_id | m1.small |
| master_lb_enabled | False |
| dns_nameserver | 8.8.8.8 |
+-----------------------+---------------------------------------------+

And no_proxy is following in master node.
no_proxy="10.0.0.12,10.0.0.12,10.0.0.12".

And on swarm node
no_proxy="10.0.0.12,10.0.0.12,10.0.0.9"