diff --git a/tempest/api/compute/admin/test_quotas.py b/tempest/api/compute/admin/test_quotas.py
index ce0adb4..33b9bef 100644
--- a/tempest/api/compute/admin/test_quotas.py
+++ b/tempest/api/compute/admin/test_quotas.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 from oslo_log import log as logging
-import six
 from testtools import matchers
 
 from tempest.api.compute import base
@@ -175,7 +174,7 @@
         # restore the defaults when the test is done
         self.addCleanup(self._restore_default_quotas, body.copy())
         # increment all of the values for updating the default quota class
-        for quota, default in six.iteritems(body):
+        for quota, default in body.items():
             # NOTE(sdague): we need to increment a lot, otherwise
             # there is a real chance that we go from -1 (unlimited)
             # to a very small number which causes issues.
diff --git a/tempest/api/compute/servers/test_server_addresses.py b/tempest/api/compute/servers/test_server_addresses.py
index d31b6f8..549ba03 100644
--- a/tempest/api/compute/servers/test_server_addresses.py
+++ b/tempest/api/compute/servers/test_server_addresses.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
-
 from tempest.api.compute import base
 from tempest import test
 
@@ -50,7 +48,7 @@
         # We do not know the exact network configuration, but an instance
         # should at least have a single public or private address
         self.assertGreaterEqual(len(addresses), 1)
-        for network_name, network_addresses in six.iteritems(addresses):
+        for network_name, network_addresses in addresses.items():
             self.assertGreaterEqual(len(network_addresses), 1)
             for address in network_addresses:
                 self.assertTrue(address['addr'])
diff --git a/tempest/api/network/admin/test_negative_quotas.py b/tempest/api/network/admin/test_negative_quotas.py
index c256b5b..beb6ce6 100644
--- a/tempest/api/network/admin/test_negative_quotas.py
+++ b/tempest/api/network/admin/test_negative_quotas.py
@@ -57,8 +57,7 @@
         # Try to create a third network while the quota is two
         with self.assertRaisesRegex(
                 lib_exc.Conflict,
-                "An object with that identifier already exists\\n" +
-                "Details.*Quota exceeded for resources: \['network'\].*"):
+                "Quota exceeded for resources: \['network'\].*"):
             n3 = self.networks_client.create_network()
             self.addCleanup(self.networks_client.delete_network,
                             n3['network']['id'])
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index 978fb8f..8695ebd 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
-
 from tempest.api.network import base
 from tempest.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
@@ -57,7 +55,7 @@
             project_id, **new_quotas)['quota']
         self.addCleanup(test_utils.call_and_ignore_notfound_exc,
                         self.admin_quotas_client.reset_quotas, project_id)
-        for key, value in six.iteritems(new_quotas):
+        for key, value in new_quotas.items():
             self.assertEqual(value, quota_set[key])
 
         # Confirm our project is listed among projects with non default quotas
@@ -71,7 +69,7 @@
         # Confirm from API quotas were changed as requested for project
         quota_set = self.admin_quotas_client.show_quotas(project_id)
         quota_set = quota_set['quota']
-        for key, value in six.iteritems(new_quotas):
+        for key, value in new_quotas.items():
             self.assertEqual(value, quota_set[key])
 
         # Reset quotas to default and confirm
diff --git a/tempest/api/network/test_dhcp_ipv6.py b/tempest/api/network/test_dhcp_ipv6.py
index 84c48ec..3c96a93 100644
--- a/tempest/api/network/test_dhcp_ipv6.py
+++ b/tempest/api/network/test_dhcp_ipv6.py
@@ -16,8 +16,6 @@
 import netaddr
 import random
 
-import six
-
 from tempest.api.network import base
 from tempest.common.utils import data_utils
 from tempest.common.utils import net_info
@@ -126,7 +124,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
+            kwargs = dict((k, v) for k, v in kwargs.items() if v)
             real_ip, eui_ip = self._get_ips_from_subnet(**kwargs)
             self._clean_network()
             self.assertEqual(eui_ip, real_ip,
@@ -269,7 +267,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
+            kwargs = dict((k, v) for k, v in kwargs.items() if v)
             subnet = self.create_subnet(self.network, **kwargs)
             port = self.create_port(self.network)
             port_ip = next(iter(port['fixed_ips']), None)['ip_address']
@@ -291,7 +289,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
+            kwargs = dict((k, v) for k, v in kwargs.items() if v)
             subnet = self.create_subnet(self.network, **kwargs)
             ip_range = netaddr.IPRange(subnet["allocation_pools"][0]["start"],
                                        subnet["allocation_pools"][0]["end"])
@@ -340,7 +338,7 @@
                              {'subnet_id': subnet['id'],
                               'ip_address': ip}])
         self.assertRaisesRegex(lib_exc.Conflict,
-                               "object with that identifier already exists",
+                               "IpAddressAlreadyAllocated|IpAddressInUse",
                                self.create_port,
                                self.network,
                                fixed_ips=[{'subnet_id': subnet['id'],
@@ -364,7 +362,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
+            kwargs = dict((k, v) for k, v in kwargs.items() if v)
             subnet, port = self._create_subnet_router(kwargs)
             port_ip = next(iter(port['fixed_ips']), None)['ip_address']
             self._clean_network()
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index acac22b..8e2f3f6 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -130,7 +130,7 @@
                                     **kwargs)
         compare_args_full = dict(gateway_ip=gateway, cidr=cidr,
                                  mask_bits=mask_bits, **kwargs)
-        compare_args = dict((k, v) for k, v in six.iteritems(compare_args_full)
+        compare_args = dict((k, v) for k, v in compare_args_full.items()
                             if v is not None)
 
         if 'dns_nameservers' in set(subnet).intersection(compare_args):
diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index f2170ad..101e4dd 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 import netaddr
-import six
 
 from tempest.api.network import base_routers as base
 from tempest.common.utils import data_utils
@@ -163,7 +162,7 @@
             self.assertIsNone(actual_ext_gw_info)
             return
         # Verify only keys passed in exp_ext_gw_info
-        for k, v in six.iteritems(exp_ext_gw_info):
+        for k, v in exp_ext_gw_info.items():
             self.assertEqual(v, actual_ext_gw_info[k])
 
     def _verify_gateway_port(self, router_id):
diff --git a/tempest/api/network/test_security_groups.py b/tempest/api/network/test_security_groups.py
index 1031ab8..be01852 100644
--- a/tempest/api/network/test_security_groups.py
+++ b/tempest/api/network/test_security_groups.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
-
 from tempest.api.network import base_security_groups as base
 from tempest.common.utils import data_utils
 from tempest import config
@@ -62,7 +60,7 @@
                     'port_range_max': port_range_max,
                     'remote_group_id': remote_group_id,
                     'remote_ip_prefix': remote_ip_prefix}
-        for key, value in six.iteritems(expected):
+        for key, value in expected.items():
             self.assertEqual(value, sec_group_rule[key],
                              "Field %s of the created security group "
                              "rule does not match with %s." %
@@ -131,7 +129,7 @@
                 rule_create_body['security_group_rule']['id']
             )
             create_dict = rule_create_body['security_group_rule']
-            for key, value in six.iteritems(create_dict):
+            for key, value in create_dict.items():
                 self.assertEqual(value,
                                  show_rule_body['security_group_rule'][key],
                                  "%s does not match." % key)
diff --git a/tempest/api/object_storage/test_container_services_negative.py b/tempest/api/object_storage/test_container_services_negative.py
index f63c518..2856fab 100644
--- a/tempest/api/object_storage/test_container_services_negative.py
+++ b/tempest/api/object_storage/test_container_services_negative.py
@@ -173,5 +173,5 @@
         ex = self.assertRaises(exceptions.Conflict,
                                self.container_client.delete_container,
                                container_name)
-        self.assertIn('An object with that identifier already exists',
-                      str(ex))
+        self.assertIn('There was a conflict when trying to complete your '
+                      'request.', str(ex))
diff --git a/tempest/api/object_storage/test_object_services.py b/tempest/api/object_storage/test_object_services.py
index 8736f9a..e2e9919 100644
--- a/tempest/api/object_storage/test_object_services.py
+++ b/tempest/api/object_storage/test_object_services.py
@@ -19,8 +19,6 @@
 import time
 import zlib
 
-import six
-
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
 from tempest.common.utils import data_utils
@@ -865,7 +863,7 @@
         expected = {'x-object-meta-test': '',
                     'x-object-meta-src': 'src_value',
                     'x-copied-from': self.container_name + "/" + src_obj_name}
-        for key, value in six.iteritems(expected):
+        for key, value in expected.items():
             self.assertIn(key, resp)
             self.assertEqual(value, resp[key])
 
@@ -888,7 +886,7 @@
         expected = {'x-object-meta-test': 'value',
                     'x-object-meta-src': 'src_value',
                     'x-copied-from': self.container_name + "/" + src_obj_name}
-        for key, value in six.iteritems(expected):
+        for key, value in expected.items():
             self.assertIn(key, resp)
             self.assertEqual(value, resp[key])
 
diff --git a/tempest/api/orchestration/stacks/test_neutron_resources.py b/tempest/api/orchestration/stacks/test_neutron_resources.py
index 6d27502..5d680d2 100644
--- a/tempest/api/orchestration/stacks/test_neutron_resources.py
+++ b/tempest/api/orchestration/stacks/test_neutron_resources.py
@@ -28,8 +28,6 @@
 
     @classmethod
     def skip_checks(cls):
-        msg = "Skipped until Bug: 1547261 is resolved."
-        raise cls.skipException(msg)
         super(NeutronResourcesTestJSON, cls).skip_checks()
         if not CONF.service_available.neutron:
             raise cls.skipException("Neutron support is required")
@@ -44,6 +42,7 @@
         super(NeutronResourcesTestJSON, cls).setup_clients()
         cls.subnets_client = cls.os.subnets_client
         cls.ports_client = cls.os.ports_client
+        cls.routers_client = cls.os.routers_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/volume/admin/test_volume_quotas.py b/tempest/api/volume/admin/test_volume_quotas.py
index b47a5f0..7d8c94d 100644
--- a/tempest/api/volume/admin/test_volume_quotas.py
+++ b/tempest/api/volume/admin/test_volume_quotas.py
@@ -12,7 +12,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
 from tempest.api.volume import base
 from tempest.common.utils import data_utils
 from tempest.common import waiters
@@ -63,7 +62,7 @@
             **new_quota_set)['quota_set']
 
         cleanup_quota_set = dict(
-            (k, v) for k, v in six.iteritems(default_quota_set)
+            (k, v) for k, v in default_quota_set.items()
             if k in QUOTA_KEYS)
         self.addCleanup(self.admin_quotas_client.update_quota_set,
                         self.demo_tenant_id, **cleanup_quota_set)
diff --git a/tempest/common/custom_matchers.py b/tempest/common/custom_matchers.py
index 8410541..ed11b21 100644
--- a/tempest/common/custom_matchers.py
+++ b/tempest/common/custom_matchers.py
@@ -14,7 +14,6 @@
 
 import re
 
-import six
 from testtools import helpers
 
 
@@ -217,7 +216,7 @@
     """
 
     def match(self, actual):
-        for key, value in six.iteritems(actual):
+        for key, value in actual.items():
             if key in ('content-length', 'x-account-bytes-used',
                        'x-account-container-count', 'x-account-object-count',
                        'x-container-bytes-used', 'x-container-object-count')\
diff --git a/tempest/common/image.py b/tempest/common/image.py
index 95a7d1a..3618f7e 100644
--- a/tempest/common/image.py
+++ b/tempest/common/image.py
@@ -15,8 +15,6 @@
 
 import copy
 
-import six
-
 
 def get_image_meta_from_headers(resp):
     meta = {'properties': {}}
@@ -55,13 +53,13 @@
     if copy_from is not None:
         headers['x-glance-api-copy-from'] = copy_from
 
-    for key, value in six.iteritems(fields_copy.pop('properties', {})):
+    for key, value in fields_copy.pop('properties', {}).items():
         headers['x-image-meta-property-%s' % key] = str(value)
 
-    for key, value in six.iteritems(fields_copy.pop('api', {})):
+    for key, value in fields_copy.pop('api', {}).items():
         headers['x-glance-api-property-%s' % key] = str(value)
 
-    for key, value in six.iteritems(fields_copy):
+    for key, value in fields_copy.items():
         headers['x-image-meta-%s' % key] = str(value)
 
     return headers
diff --git a/tempest/common/preprov_creds.py b/tempest/common/preprov_creds.py
index 0b0f692..6a95588 100644
--- a/tempest/common/preprov_creds.py
+++ b/tempest/common/preprov_creds.py
@@ -120,7 +120,7 @@
             if 'resources' in account:
                 resources = account.pop('resources')
             temp_hash = hashlib.md5()
-            account_for_hash = dict((k, v) for (k, v) in six.iteritems(account)
+            account_for_hash = dict((k, v) for (k, v) in account.items()
                                     if k in cls.HASH_CRED_FIELDS)
             temp_hash.update(six.text_type(account_for_hash).encode('utf-8'))
             temp_hash_key = temp_hash.hexdigest()
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 052f175..2da2f92 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -20,7 +20,6 @@
 from oslo_log import log
 from oslo_serialization import jsonutils as json
 from oslo_utils import netutils
-import six
 
 from tempest.common import compute
 from tempest.common import image as common_image
@@ -920,7 +919,7 @@
         # The target login is assumed to have been configured for
         # key-based authentication by cloud-init.
         try:
-            for net_name, ip_addresses in six.iteritems(server['addresses']):
+            for net_name, ip_addresses in server['addresses'].items():
                 for ip_address in ip_addresses:
                     self.check_vm_connectivity(ip_address['addr'],
                                                username,
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 4bbe4eb..f9aa3e7 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -615,29 +615,44 @@
     def test_update_instance_port_admin_state(self):
         """Test to update admin_state_up attribute of instance port
 
-        1. Check public connectivity before updating
+        1. Check public and project connectivity before updating
                 admin_state_up attribute of instance port to False
-        2. Check public connectivity after updating
+        2. Check public and project connectivity after updating
                 admin_state_up attribute of instance port to False
-        3. Check public connectivity after updating
+        3. Check public and project connectivity after updating
                 admin_state_up attribute of instance port to True
         """
         self._setup_network_and_servers()
         floating_ip, server = self.floating_ip_tuple
         server_id = server['id']
         port_id = self._list_ports(device_id=server_id)[0]['id']
+        server_pip = server['addresses'][self.network['name']][0]['addr']
+
+        server2 = self._create_server(self.network)
+        server2_fip = self.create_floating_ip(server2)
+
+        private_key = self._get_server_key(server2)
+        ssh_client = self.get_remote_client(server2_fip['floating_ip_address'],
+                                            private_key=private_key)
+
         self.check_public_network_connectivity(
             should_connect=True, msg="before updating "
             "admin_state_up of instance port to False")
+        self._check_remote_connectivity(ssh_client, dest=server_pip,
+                                        should_succeed=True)
         self.ports_client.update_port(port_id, admin_state_up=False)
         self.check_public_network_connectivity(
             should_connect=False, msg="after updating "
             "admin_state_up of instance port to False",
             should_check_floating_ip_status=False)
+        self._check_remote_connectivity(ssh_client, dest=server_pip,
+                                        should_succeed=False)
         self.ports_client.update_port(port_id, admin_state_up=True)
         self.check_public_network_connectivity(
             should_connect=True, msg="after updating "
             "admin_state_up of instance port to True")
+        self._check_remote_connectivity(ssh_client, dest=server_pip,
+                                        should_succeed=True)
 
     @test.idempotent_id('759462e1-8535-46b0-ab3a-33aa45c55aaa')
     @test.services('compute', 'network')
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index 40b3317..7acf107 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -14,8 +14,6 @@
 #    under the License.
 import functools
 
-import six
-
 from tempest import config
 from tempest.lib.common.utils import test_utils
 from tempest.scenario import manager
@@ -112,7 +110,7 @@
     @staticmethod
     def define_server_ips(srv):
         ips = {'4': None, '6': []}
-        for net_name, nics in six.iteritems(srv['addresses']):
+        for net_name, nics in srv['addresses'].items():
             for nic in nics:
                 if nic['version'] == 6:
                     ips['6'].append(nic['addr'])
diff --git a/tempest/services/object_storage/object_client.py b/tempest/services/object_storage/object_client.py
index 9445e34..6d656ec 100644
--- a/tempest/services/object_storage/object_client.py
+++ b/tempest/services/object_storage/object_client.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
 from six.moves import http_client as httplib
 from six.moves.urllib import parse as urlparse
 
@@ -189,7 +188,7 @@
         # Send the PUT request and the headers including the "Expect" header
         conn.putrequest('PUT', path)
 
-        for header, value in six.iteritems(headers):
+        for header, value in headers.items():
             conn.putheader(header, value)
         conn.endheaders()
 
diff --git a/tempest/tests/common/test_preprov_creds.py b/tempest/tests/common/test_preprov_creds.py
index f824b6c..1c9982c 100644
--- a/tempest/tests/common/test_preprov_creds.py
+++ b/tempest/tests/common/test_preprov_creds.py
@@ -101,7 +101,7 @@
             preprov_creds.PreProvisionedCredentialProvider.HASH_CRED_FIELDS)
         for account in accounts_list:
             hash = hashlib.md5()
-            account_for_hash = dict((k, v) for (k, v) in six.iteritems(account)
+            account_for_hash = dict((k, v) for (k, v) in account.items()
                                     if k in hash_fields)
             hash.update(six.text_type(account_for_hash).encode('utf-8'))
             temp_hash = hash.hexdigest()
diff --git a/tempest/tests/negative/__init__.py b/tempest/tests/negative/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/tests/negative/__init__.py
+++ /dev/null
diff --git a/tempest/tests/services/object_storage/test_object_client.py b/tempest/tests/services/object_storage/test_object_client.py
index cc1dc1a..748614c 100644
--- a/tempest/tests/services/object_storage/test_object_client.py
+++ b/tempest/tests/services/object_storage/test_object_client.py
@@ -15,7 +15,6 @@
 
 
 import mock
-import six
 
 from tempest.lib import exceptions
 from tempest.services.object_storage import object_client
@@ -85,7 +84,7 @@
         # Verify that headers were written, including "Expect:100-continue"
         calls = []
 
-        for header, value in six.iteritems(expected_hdrs):
+        for header, value in expected_hdrs.items():
             calls.append(mock.call(header, value))
 
         mock_poc.return_value.putheader.assert_has_calls(calls, False)