This internal patch addresses an apparent Juno regression related to

Launchpad bug 1252403. It's not suitable for the upstream but a bug

report will be filed to cover the regression and eventually this patch

should be replaced with something official.

--- horizon-2015.1.2/openstack_dashboard/api/neutron.py.orig 2015-12-12 16:12:01.520290169 -0500

+++ horizon-2015.1.2/openstack_dashboard/api/neutron.py 2015-12-12 16:14:28.179524164 -0500

@@ -431,8 +431,7 @@

in ext_net_ids)]

reachable_subnets = set([p.fixed_ips[0]['subnet_id'] for p in ports

if ((p.device_owner in

- ROUTER_INTERFACE_OWNERS)

- and (p.device_id in gw_routers))])

+ ROUTER_INTERFACE_OWNERS))])

# we have to include any shared subnets as well because we may not

# have permission to see the router interface to infer connectivity

shared = set([s.id for n in network_list(self.request, shared=True)