diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index fec3bd4..f84771f 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -77,7 +77,8 @@
     - name: javelin_cirros
       owner: javelin
       file: cirros-0.3.2-x86_64-blank.img
-      format: ami
+      disk_format: ami
+      container_format: ami
       aki: cirros-0.3.2-x86_64-vmlinuz
       ari: cirros-0.3.2-x86_64-initrd
 
@@ -629,6 +630,15 @@
     for image in images:
         client = client_for_user(image['owner'])
 
+        # DEPRECATED: 'format' was used for ami images
+        # Use 'disk_format' and 'container_format' instead
+        if 'format' in image:
+            LOG.warning("Deprecated: 'format' is deprecated for images "
+                        "description. Please use 'disk_format' and 'container_"
+                        "format' instead.")
+            image['disk_format'] = image['format']
+            image['container_format'] = image['format']
+
         # only upload a new image if the name isn't there
         if _get_image_by_name(client, image['name']):
             LOG.info("Image '%s' already exists" % image['name'])
@@ -636,7 +646,7 @@
 
         # special handling for 3 part image
         extras = {}
-        if image['format'] == 'ami':
+        if image['disk_format'] == 'ami':
             name, fname = _resolve_image(image, 'aki')
             aki = client.images.create_image(
                 'javelin_' + name, 'aki', 'aki')
@@ -651,7 +661,8 @@
 
         _, fname = _resolve_image(image, 'file')
         body = client.images.create_image(
-            image['name'], image['format'], image['format'], **extras)
+            image['name'], image['container_format'],
+            image['disk_format'], **extras)
         image_id = body.get('id')
         client.images.store_image(image_id, open(fname, 'r'))
 
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 3c71e07..b61f286 100755
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -24,6 +24,7 @@
 from six import moves
 
 from tempest import clients
+from tempest.common import credentials
 from tempest import config
 
 
@@ -254,7 +255,11 @@
     }
     # Get catalog list for endpoints to use for validation
     _token, auth_data = os.auth_provider.get_auth()
-    for entry in auth_data['serviceCatalog']:
+    if os.auth_version == 'v2':
+        catalog_key = 'serviceCatalog'
+    else:
+        catalog_key = 'catalog'
+    for entry in auth_data[catalog_key]:
         services.append(entry['type'])
     # Pull all catalog types from config file and compare against endpoint list
     for cfgname in dir(CONF._config):
@@ -329,7 +334,8 @@
         CONF_PARSER = moves.configparser.SafeConfigParser()
         CONF_PARSER.optionxform = str
         CONF_PARSER.readfp(conf_file)
-    os = clients.Manager()
+    icreds = credentials.get_isolated_credentials('verify_tempest_config')
+    os = clients.Manager(icreds.get_primary_creds())
     services = check_service_availability(os, update)
     results = {}
     for service in ['nova', 'cinder', 'neutron', 'swift']:
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 65d516f..d2c41f0 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -309,8 +309,13 @@
         if isinstance(server_or_ip, six.string_types):
             ip = server_or_ip
         else:
-            addr = server_or_ip['addresses'][CONF.compute.network_for_ssh][0]
-            ip = addr['addr']
+            addrs = server_or_ip['addresses'][CONF.compute.network_for_ssh]
+            try:
+                ip = (addr['addr'] for addr in addrs if
+                      netaddr.valid_ipv4(addr['addr'])).next()
+            except StopIteration:
+                raise lib_exc.NotFound("No IPv4 addresses to use for SSH to "
+                                       "remote server.")
 
         if username is None:
             username = CONF.scenario.ssh_user
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 8353048..2c4522d 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -318,11 +318,15 @@
             LOG.info(msg)
             return
 
-        subnet = self._list_subnets(
-            network_id=CONF.network.public_network_id)
-        self.assertEqual(1, len(subnet), "Found %d subnets" % len(subnet))
+        # We ping the external IP from the instance using its floating IP
+        # which is always IPv4, so we must only test connectivity to
+        # external IPv4 IPs if the external network is dualstack.
+        v4_subnets = [s for s in self._list_subnets(
+            network_id=CONF.network.public_network_id) if s['ip_version'] == 4]
+        self.assertEqual(1, len(v4_subnets),
+                         "Found %d IPv4 subnets" % len(v4_subnets))
 
-        external_ips = [subnet[0]['gateway_ip']]
+        external_ips = [v4_subnets[0]['gateway_ip']]
         self._check_server_connectivity(self.floating_ip_tuple.floating_ip,
                                         external_ips)