diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index ef13eef..1736463 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -94,10 +94,7 @@
             cls.os.security_group_default_rules_client)
         cls.versions_client = cls.os.compute_versions_client
 
-        if CONF.volume_feature_enabled.api_v1:
-            cls.volumes_client = cls.os.volumes_client
-        else:
-            cls.volumes_client = cls.os.volumes_v2_client
+        cls.volumes_client = cls.os.volumes_v2_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/security_groups/test_security_group_rules.py b/tempest/api/compute/security_groups/test_security_group_rules.py
index b82fa3b..a50933b 100644
--- a/tempest/api/compute/security_groups/test_security_group_rules.py
+++ b/tempest/api/compute/security_groups/test_security_group_rules.py
@@ -14,12 +14,9 @@
 #    under the License.
 
 from tempest.api.compute.security_groups import base
-from tempest import config
 from tempest.lib import decorators
 from tempest import test
 
-CONF = config.CONF
-
 
 class SecurityGroupRulesTestJSON(base.BaseSecurityGroupsTest):
 
diff --git a/tempest/api/compute/servers/test_novnc.py b/tempest/api/compute/servers/test_novnc.py
index a72df5e..6354c57 100644
--- a/tempest/api/compute/servers/test_novnc.py
+++ b/tempest/api/compute/servers/test_novnc.py
@@ -13,14 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import socket
 import struct
 
 import six
-from six.moves.urllib import parse as urlparse
 import urllib3
 
 from tempest.api.compute import base
+from tempest.common import compute
 from tempest import config
 from tempest.lib import decorators
 
@@ -158,14 +157,6 @@
             self._websocket.response.find(b'Server: WebSockify') > 0,
             'Did not get the expected WebSocket HTTP Response.')
 
-    def _create_websocket(self, url):
-        url = urlparse.urlparse(url)
-        client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        client_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-        client_socket.connect((url.hostname, url.port))
-        # Turn the Socket into a WebSocket to do the communication
-        return _WebSocket(client_socket, url)
-
     @decorators.idempotent_id('c640fdff-8ab4-45a4-a5d8-7e6146cbd0dc')
     def test_novnc(self):
         body = self.client.get_vnc_console(self.server['id'],
@@ -174,7 +165,7 @@
         # Do the initial HTTP Request to novncproxy to get the NoVNC JavaScript
         self._validate_novnc_html(body['url'])
         # Do the WebSockify HTTP Request to novncproxy to do the RFB connection
-        self._websocket = self._create_websocket(body['url'])
+        self._websocket = compute.create_websocket(body['url'])
         # Validate that we succesfully connected and upgraded to Web Sockets
         self._validate_websocket_upgrade()
         # Validate the RFB Negotiation to determine if a valid VNC session
@@ -187,84 +178,9 @@
         self.assertEqual('novnc', body['type'])
         # Do the WebSockify HTTP Request to novncproxy with a bad token
         url = body['url'].replace('token=', 'token=bad')
-        self._websocket = self._create_websocket(url)
+        self._websocket = compute.create_websocket(url)
         # Make sure the novncproxy rejected the connection and closed it
         data = self._websocket.receive_frame()
         self.assertTrue(data is None or len(data) == 0,
                         "The novnc proxy actually sent us some data, but we "
                         "expected it to close the connection.")
-
-
-class _WebSocket(object):
-    def __init__(self, client_socket, url):
-        """Contructor for the WebSocket wrapper to the socket."""
-        self._socket = client_socket
-        # Upgrade the HTTP connection to a WebSocket
-        self._upgrade(url)
-
-    def receive_frame(self):
-        """Wrapper for receiving data to parse the WebSocket frame format"""
-        # We need to loop until we either get some bytes back in the frame
-        # or no data was received (meaning the socket was closed).  This is
-        # done to handle the case where we get back some empty frames
-        while True:
-            header = self._socket.recv(2)
-            # If we didn't receive any data, just return None
-            if len(header) == 0:
-                return None
-            # We will make the assumption that we are only dealing with
-            # frames less than 125 bytes here (for the negotiation) and
-            # that only the 2nd byte contains the length, and since the
-            # server doesn't do masking, we can just read the data length
-            if ord_func(header[1]) & 127 > 0:
-                return self._socket.recv(ord_func(header[1]) & 127)
-
-    def send_frame(self, data):
-        """Wrapper for sending data to add in the WebSocket frame format."""
-        frame_bytes = list()
-        # For the first byte, want to say we are sending binary data (130)
-        frame_bytes.append(130)
-        # Only sending negotiation data so don't need to worry about > 125
-        # We do need to add the bit that says we are masking the data
-        frame_bytes.append(len(data) | 128)
-        # We don't really care about providing a random mask for security
-        # So we will just hard-code a value since a test program
-        mask = [7, 2, 1, 9]
-        for i in range(len(mask)):
-            frame_bytes.append(mask[i])
-        # Mask each of the actual data bytes that we are going to send
-        for i in range(len(data)):
-            frame_bytes.append(ord_func(data[i]) ^ mask[i % 4])
-        # Convert our integer list to a binary array of bytes
-        frame_bytes = struct.pack('!%iB' % len(frame_bytes), * frame_bytes)
-        self._socket.sendall(frame_bytes)
-
-    def close(self):
-        """Helper method to close the connection."""
-        # Close down the real socket connection and exit the test program
-        if self._socket is not None:
-            self._socket.shutdown(1)
-            self._socket.close()
-            self._socket = None
-
-    def _upgrade(self, url):
-        """Upgrade the HTTP connection to a WebSocket and verify."""
-        # The real request goes to the /websockify URI always
-        reqdata = 'GET /websockify HTTP/1.1\r\n'
-        reqdata += 'Host: %s:%s\r\n' % (url.hostname, url.port)
-        # Tell the HTTP Server to Upgrade the connection to a WebSocket
-        reqdata += 'Upgrade: websocket\r\nConnection: Upgrade\r\n'
-        # The token=xxx is sent as a Cookie not in the URI
-        reqdata += 'Cookie: %s\r\n' % url.query
-        # Use a hard-coded WebSocket key since a test program
-        reqdata += 'Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==\r\n'
-        reqdata += 'Sec-WebSocket-Version: 13\r\n'
-        # We are choosing to use binary even though browser may do Base64
-        reqdata += 'Sec-WebSocket-Protocol: binary\r\n\r\n'
-        # Send the HTTP GET request and get the response back
-        self._socket.sendall(reqdata.encode('utf8'))
-        self.response = data = self._socket.recv(4096)
-        # Loop through & concatenate all of the data in the response body
-        while len(data) > 0 and self.response.find(b'\r\n\r\n') < 0:
-            data = self._socket.recv(4096)
-            self.response += data
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index 73c7614..b0a6622 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 import testtools
 
 from tempest.api.compute import base
@@ -25,8 +24,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class AttachVolumeTestJSON(base.BaseV2ComputeTest):
     max_microversion = '2.19'
@@ -65,6 +62,20 @@
         # Stop and Start a server with an attached volume, ensuring that
         # the volume remains attached.
         server = self._create_server()
+
+        # NOTE(andreaf) Create one remote client used throughout the test.
+        if CONF.validation.run_validation:
+            linux_client = remote_client.RemoteClient(
+                self.get_server_ip(server),
+                self.image_ssh_user,
+                self.image_ssh_password,
+                self.validation_resources['keypair']['private_key'],
+                server=server,
+                servers_client=self.servers_client)
+            # NOTE(andreaf) We need to ensure the ssh key has been
+            # injected in the guest before we power cycle
+            linux_client.validate_authentication()
+
         volume = self.create_volume()
         attachment = self.attach_volume(server, volume,
                                         device=('/dev/%s' % self.device))
@@ -78,14 +89,6 @@
                                        'ACTIVE')
 
         if CONF.validation.run_validation:
-            linux_client = remote_client.RemoteClient(
-                self.get_server_ip(server),
-                self.image_ssh_user,
-                self.image_ssh_password,
-                self.validation_resources['keypair']['private_key'],
-                server=server,
-                servers_client=self.servers_client)
-
             disks = linux_client.get_disks()
             device_name_to_match = '\n' + self.device + ' '
             self.assertIn(device_name_to_match, disks)
@@ -103,14 +106,6 @@
                                        'ACTIVE')
 
         if CONF.validation.run_validation:
-            linux_client = remote_client.RemoteClient(
-                self.get_server_ip(server),
-                self.image_ssh_user,
-                self.image_ssh_password,
-                self.validation_resources['keypair']['private_key'],
-                server=server,
-                servers_client=self.servers_client)
-
             disks = linux_client.get_disks()
             self.assertNotIn(device_name_to_match, disks)
 
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 7a569b7..ec64e0c 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -46,21 +46,21 @@
 
     def create_trustor_and_roles(self):
         # create a project that trusts will be granted on
-        self.trustor_project_name = data_utils.rand_name(name='project')
+        trustor_project_name = data_utils.rand_name(name='project')
         project = self.projects_client.create_project(
-            self.trustor_project_name, domain_id='default')['project']
+            trustor_project_name, domain_id='default')['project']
         self.trustor_project_id = project['id']
         self.assertIsNotNone(self.trustor_project_id)
 
         # Create a trustor User
-        self.trustor_username = data_utils.rand_name('user')
-        u_desc = self.trustor_username + 'description'
-        u_email = self.trustor_username + '@testmail.xx'
-        self.trustor_password = data_utils.rand_password()
+        trustor_username = data_utils.rand_name('user')
+        u_desc = trustor_username + 'description'
+        u_email = trustor_username + '@testmail.xx'
+        trustor_password = data_utils.rand_password()
         user = self.users_client.create_user(
-            name=self.trustor_username,
+            name=trustor_username,
             description=u_desc,
-            password=self.trustor_password,
+            password=trustor_password,
             email=u_email,
             project_id=self.trustor_project_id,
             domain_id='default')['user']
@@ -95,10 +95,10 @@
         # Initialize a new client with the trustor credentials
         creds = common_creds.get_credentials(
             identity_version='v3',
-            username=self.trustor_username,
-            password=self.trustor_password,
+            username=trustor_username,
+            password=trustor_password,
             user_domain_id='default',
-            tenant_name=self.trustor_project_name,
+            tenant_name=trustor_project_name,
             project_domain_id='default',
             domain_id='default')
         os = clients.Manager(credentials=creds)
diff --git a/tempest/api/identity/v3/test_users.py b/tempest/api/identity/v3/test_users.py
index f263258..e7998ee 100644
--- a/tempest/api/identity/v3/test_users.py
+++ b/tempest/api/identity/v3/test_users.py
@@ -34,8 +34,6 @@
         super(IdentityV3UsersTest, cls).resource_setup()
         cls.creds = cls.os.credentials
         cls.user_id = cls.creds.user_id
-        cls.username = cls.creds.username
-        cls.password = cls.creds.password
 
     def _update_password(self, original_password, password):
         self.non_admin_users_client.update_user_password(
diff --git a/tempest/api/image/v2/test_images_negative.py b/tempest/api/image/v2/test_images_negative.py
index 04c752a..6e5e726 100644
--- a/tempest/api/image/v2/test_images_negative.py
+++ b/tempest/api/image/v2/test_images_negative.py
@@ -98,3 +98,16 @@
         self.assertRaises(lib_exc.BadRequest, self.client.create_image,
                           name='test', container_format='bare',
                           disk_format='wrong')
+
+    @test.attr(type=['negative'])
+    @decorators.idempotent_id('ab980a34-8410-40eb-872b-f264752f46e5')
+    def test_delete_protected_image(self):
+        # Create a protected image
+        image = self.create_image(protected=True)
+        self.addCleanup(self.client.update_image, image['id'],
+                        [dict(replace="/protected", value=False)])
+
+        # Try deleting the protected image
+        self.assertRaises(lib_exc.Forbidden,
+                          self.client.delete_image,
+                          image['id'])
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index 4e17c3d..8d3d344 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -47,13 +47,8 @@
         cls.servers_client = cls.os.servers_client
         cls.keypairs_client = cls.os.keypairs_client
         cls.networks_client = cls.os.networks_client
-        cls.volumes_client = cls.os.volumes_client
         cls.images_v2_client = cls.os.image_client_v2
-
-        if CONF.volume_feature_enabled.api_v2:
-            cls.volumes_client = cls.os.volumes_v2_client
-        else:
-            cls.volumes_client = cls.os.volumes_client
+        cls.volumes_client = cls.os.volumes_v2_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/orchestration/stacks/test_volumes.py b/tempest/api/orchestration/stacks/test_volumes.py
index 86323e1..7ddf7af 100644
--- a/tempest/api/orchestration/stacks/test_volumes.py
+++ b/tempest/api/orchestration/stacks/test_volumes.py
@@ -35,18 +35,10 @@
         self.assertEqual('available', volume.get('status'))
         self.assertEqual(CONF.volume.volume_size, volume.get('size'))
 
-        # Some volume properties have been renamed with Cinder v2
-        if CONF.volume_feature_enabled.api_v2:
-            description_field = 'description'
-            name_field = 'name'
-        else:
-            description_field = 'display_description'
-            name_field = 'display_name'
-
         self.assertEqual(template['resources']['volume']['properties'][
-            'description'], volume.get(description_field))
+            'description'], volume.get('description'))
         self.assertEqual(template['resources']['volume']['properties'][
-            'name'], volume.get(name_field))
+            'name'], volume.get('name'))
 
     def _outputs_verify(self, stack_identifier, template):
         self.assertEqual('available',
diff --git a/tempest/api/volume/admin/test_volume_services.py b/tempest/api/volume/admin/test_volume_services.py
index 2088a44..a595462 100644
--- a/tempest/api/volume/admin/test_volume_services.py
+++ b/tempest/api/volume/admin/test_volume_services.py
@@ -13,13 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 from tempest.api.volume import base
-from tempest import config
 from tempest.lib import decorators
 
 
-CONF = config.CONF
-
-
 def _get_host(host):
     return host.split('@')[0]
 
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index b2667e5..38daffe 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -14,8 +14,13 @@
 #    limitations under the License.
 
 import base64
+import socket
+import struct
 import textwrap
 
+import six
+from six.moves.urllib import parse as urlparse
+
 from oslo_log import log as logging
 from oslo_utils import excutils
 
@@ -25,6 +30,11 @@
 from tempest.lib.common import rest_client
 from tempest.lib.common.utils import data_utils
 
+if six.PY2:
+    ord_func = ord
+else:
+    ord_func = int
+
 CONF = config.CONF
 
 LOG = logging.getLogger(__name__)
@@ -132,11 +142,7 @@
     if volume_backed:
         volume_name = data_utils.rand_name(__name__ + '-volume')
         volumes_client = clients.volumes_v2_client
-        name_field = 'name'
-        if not CONF.volume_feature_enabled.api_v2:
-            volumes_client = clients.volumes_client
-            name_field = 'display_name'
-        params = {name_field: volume_name,
+        params = {'name': volume_name,
                   'imageRef': image_id,
                   'size': CONF.volume.volume_size}
         volume = volumes_client.create_volume(**params)
@@ -226,3 +232,87 @@
             servers_client.shelve_offload_server(server_id)
             waiters.wait_for_server_status(servers_client, server_id,
                                            'SHELVED_OFFLOADED')
+
+
+def create_websocket(url):
+    url = urlparse.urlparse(url)
+    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    client_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    client_socket.connect((url.hostname, url.port))
+    # Turn the Socket into a WebSocket to do the communication
+    return _WebSocket(client_socket, url)
+
+
+class _WebSocket(object):
+    def __init__(self, client_socket, url):
+        """Contructor for the WebSocket wrapper to the socket."""
+        self._socket = client_socket
+        # Upgrade the HTTP connection to a WebSocket
+        self._upgrade(url)
+
+    def receive_frame(self):
+        """Wrapper for receiving data to parse the WebSocket frame format"""
+        # We need to loop until we either get some bytes back in the frame
+        # or no data was received (meaning the socket was closed).  This is
+        # done to handle the case where we get back some empty frames
+        while True:
+            header = self._socket.recv(2)
+            # If we didn't receive any data, just return None
+            if len(header) == 0:
+                return None
+            # We will make the assumption that we are only dealing with
+            # frames less than 125 bytes here (for the negotiation) and
+            # that only the 2nd byte contains the length, and since the
+            # server doesn't do masking, we can just read the data length
+            if ord_func(header[1]) & 127 > 0:
+                return self._socket.recv(ord_func(header[1]) & 127)
+
+    def send_frame(self, data):
+        """Wrapper for sending data to add in the WebSocket frame format."""
+        frame_bytes = list()
+        # For the first byte, want to say we are sending binary data (130)
+        frame_bytes.append(130)
+        # Only sending negotiation data so don't need to worry about > 125
+        # We do need to add the bit that says we are masking the data
+        frame_bytes.append(len(data) | 128)
+        # We don't really care about providing a random mask for security
+        # So we will just hard-code a value since a test program
+        mask = [7, 2, 1, 9]
+        for i in range(len(mask)):
+            frame_bytes.append(mask[i])
+        # Mask each of the actual data bytes that we are going to send
+        for i in range(len(data)):
+            frame_bytes.append(ord_func(data[i]) ^ mask[i % 4])
+        # Convert our integer list to a binary array of bytes
+        frame_bytes = struct.pack('!%iB' % len(frame_bytes), * frame_bytes)
+        self._socket.sendall(frame_bytes)
+
+    def close(self):
+        """Helper method to close the connection."""
+        # Close down the real socket connection and exit the test program
+        if self._socket is not None:
+            self._socket.shutdown(1)
+            self._socket.close()
+            self._socket = None
+
+    def _upgrade(self, url):
+        """Upgrade the HTTP connection to a WebSocket and verify."""
+        # The real request goes to the /websockify URI always
+        reqdata = 'GET /websockify HTTP/1.1\r\n'
+        reqdata += 'Host: %s:%s\r\n' % (url.hostname, url.port)
+        # Tell the HTTP Server to Upgrade the connection to a WebSocket
+        reqdata += 'Upgrade: websocket\r\nConnection: Upgrade\r\n'
+        # The token=xxx is sent as a Cookie not in the URI
+        reqdata += 'Cookie: %s\r\n' % url.query
+        # Use a hard-coded WebSocket key since a test program
+        reqdata += 'Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==\r\n'
+        reqdata += 'Sec-WebSocket-Version: 13\r\n'
+        # We are choosing to use binary even though browser may do Base64
+        reqdata += 'Sec-WebSocket-Protocol: binary\r\n\r\n'
+        # Send the HTTP GET request and get the response back
+        self._socket.sendall(reqdata.encode('utf8'))
+        self.response = data = self._socket.recv(4096)
+        # Loop through & concatenate all of the data in the response body
+        while len(data) > 0 and self.response.find(b'\r\n\r\n') < 0:
+            data = self._socket.recv(4096)
+            self.response += data
diff --git a/tempest/common/utils/linux/remote_client.py b/tempest/common/utils/linux/remote_client.py
index 414c016..9319d2a 100644
--- a/tempest/common/utils/linux/remote_client.py
+++ b/tempest/common/utils/linux/remote_client.py
@@ -81,12 +81,6 @@
         cmd = 'sudo sh -c "echo \\"%s\\" >/dev/console"' % message
         return self.exec_command(cmd)
 
-    def set_mac_address(self, nic, address):
-        self.set_nic_state(nic=nic, state="down")
-        cmd = "sudo ip link set dev {0} address {1}".format(nic, address)
-        self.exec_command(cmd)
-        self.set_nic_state(nic=nic, state="up")
-
     def get_mac_address(self, nic=""):
         show_nic = "show {nic} ".format(nic=nic) if nic else ""
         cmd = "ip addr %s| awk '/ether/ {print $2}'" % show_nic
@@ -102,15 +96,6 @@
         nic = self.exec_command(cmd)
         return nic.strip().strip(":").lower()
 
-    def assign_static_ip(self, nic, addr, network_mask_bits=28):
-        cmd = "sudo ip addr add {ip}/{mask} dev {nic}".format(
-            ip=addr, mask=network_mask_bits, nic=nic)
-        return self.exec_command(cmd)
-
-    def set_nic_state(self, nic, state="up"):
-        cmd = "sudo ip link set {nic} {state}".format(nic=nic, state=state)
-        return self.exec_command(cmd)
-
     def get_dns_servers(self):
         cmd = 'cat /etc/resolv.conf'
         resolve_file = self.exec_command(cmd).strip().split('\n')
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index cd2881b..c1270c7 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -1241,14 +1241,9 @@
     @classmethod
     def setup_clients(cls):
         super(EncryptionScenarioTest, cls).setup_clients()
-        if CONF.volume_feature_enabled.api_v2:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
-            cls.admin_encryption_types_client =\
-                cls.os_adm.encryption_types_v2_client
-        else:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_client
-            cls.admin_encryption_types_client =\
-                cls.os_adm.encryption_types_client
+        cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
+        cls.admin_encryption_types_client =\
+            cls.os_adm.encryption_types_v2_client
 
     def create_encryption_type(self, client=None, type_id=None, provider=None,
                                key_size=None, cipher=None,
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 15a0a70..dec0ad0 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -286,10 +286,11 @@
                                               % CONF.network.build_timeout)
 
         num, new_nic = self.diff_list[0]
-        ssh_client.assign_static_ip(
-            nic=new_nic, addr=new_port['fixed_ips'][0]['ip_address'],
-            network_mask_bits=CONF.network.project_network_mask_bits)
-        ssh_client.set_nic_state(nic=new_nic)
+        ssh_client.exec_command("sudo ip addr add %s/%s dev %s" % (
+                                new_port['fixed_ips'][0]['ip_address'],
+                                CONF.network.project_network_mask_bits,
+                                new_nic))
+        ssh_client.exec_command("sudo ip link set %s up" % new_nic)
 
     def _get_server_nics(self, ssh_client):
         reg = re.compile(r'(?P<num>\d+): (?P<nic_name>\w+):')
@@ -833,7 +834,13 @@
         peer_address = peer['addresses'][self.new_net['name']][0]['addr']
         self.check_remote_connectivity(ssh_client, dest=peer_address,
                                        nic=spoof_nic, should_succeed=True)
-        ssh_client.set_mac_address(spoof_nic, spoof_mac)
+        # Set a mac address by making nic down temporary
+        cmd = ("sudo ip link set {nic} down;"
+               "sudo ip link set dev {nic} address {mac};"
+               "sudo ip link set {nic} up").format(nic=spoof_nic,
+                                                   mac=spoof_mac)
+        ssh_client.exec_command(cmd)
+
         new_mac = ssh_client.get_mac_address(nic=spoof_nic)
         self.assertEqual(spoof_mac, new_mac)
         self.check_remote_connectivity(ssh_client, dest=peer_address,
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index cfd83d0..4e8b004 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -153,7 +153,8 @@
                                   "ports: %s")
                          % (network_id, ports))
         mac6 = ports[0]
-        ssh.set_nic_state(ssh.get_nic_name_by_mac(mac6))
+        nic = ssh.get_nic_name_by_mac(mac6)
+        ssh.exec_command("sudo ip link set %s up" % nic)
 
     def _prepare_and_test(self, address6_mode, n_subnets6=1, dualnet=False):
         net_list = self.prepare_network(address6_mode=address6_mode,
diff --git a/tempest/scenario/test_volume_migrate_attached.py b/tempest/scenario/test_volume_migrate_attached.py
index f580ea6..f04947c 100644
--- a/tempest/scenario/test_volume_migrate_attached.py
+++ b/tempest/scenario/test_volume_migrate_attached.py
@@ -40,10 +40,7 @@
     @classmethod
     def setup_clients(cls):
         super(TestVolumeMigrateRetypeAttached, cls).setup_clients()
-        if CONF.volume_feature_enabled.api_v1:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_client
-        else:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
+        cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
 
     @classmethod
     def skip_checks(cls):
diff --git a/tempest/tests/common/utils/linux/test_remote_client.py b/tempest/tests/common/utils/linux/test_remote_client.py
index 48cb86b..ecb8e64 100644
--- a/tempest/tests/common/utils/linux/test_remote_client.py
+++ b/tempest/tests/common/utils/linux/test_remote_client.py
@@ -139,23 +139,6 @@
         self._assert_exec_called_with(
             "ip addr | awk '/ether/ {print $2}'")
 
-    def test_assign_static_ip(self):
-        self.ssh_mock.mock.exec_command.return_value = ''
-        ip = '10.0.0.2'
-        nic = 'eth0'
-        self.assertEqual(self.conn.assign_static_ip(nic, ip), '')
-        self._assert_exec_called_with(
-            "sudo ip addr add %s/%s dev %s" % (ip, '28', nic))
-
-    def test_set_nic_state(self):
-        nic = 'eth0'
-        self.conn.set_nic_state(nic)
-        self._assert_exec_called_with(
-            'sudo ip link set %s up' % nic)
-        self.conn.set_nic_state(nic, "down")
-        self._assert_exec_called_with(
-            'sudo ip link set %s down' % nic)
-
 
 class TestRemoteClientWithServer(base.TestCase):