diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index 3c6eb44..86dda80 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -517,9 +517,6 @@
 # From tempest.config
 #
 
-# Enable diagnostic commands (boolean value)
-#enable = true
-
 # A regex to determine which requests should be traced.  This is a
 # regex to match the caller for rest client requests to be able to
 # selectively trace calls out of specific classes and methods. It
diff --git a/setup.cfg b/setup.cfg
index 90ea944..1e7cc2b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = tempest
-version = 3
+version = 4
 summary = OpenStack Integration Testing
 description-file =
     README.rst
diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index a48271e..34650c5 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -194,7 +194,8 @@
         resp, public_net_body = self.admin_client.show_network(
             CONF.network.public_network_id)
         public_subnet_id = public_net_body['network']['subnets'][0]
-        self.assertEqual(fixed_ips[0]['subnet_id'], public_subnet_id)
+        self.assertIn(public_subnet_id,
+                      map(lambda x: x['subnet_id'], fixed_ips))
 
     @test.attr(type='smoke')
     def test_update_router_set_gateway(self):
diff --git a/tempest/common/commands.py b/tempest/common/commands.py
index 6583475..e68c20e 100644
--- a/tempest/common/commands.py
+++ b/tempest/common/commands.py
@@ -19,63 +19,6 @@
 
 LOG = logging.getLogger(__name__)
 
-# NOTE(afazekas):
-# These commands assumes the tempest node is the same as
-# the only one service node. all-in-one installation.
-
-
-def sudo_cmd_call(cmd):
-    args = shlex.split(cmd.encode('utf-8'))
-    subprocess_args = {'stdout': subprocess.PIPE,
-                       'stderr': subprocess.STDOUT}
-    proc = subprocess.Popen(['/usr/bin/sudo', '-n'] + args,
-                            **subprocess_args)
-    stdout = proc.communicate()[0]
-    if proc.returncode != 0:
-        LOG.error(("Command {0} returned with exit status {1},"
-                   "output {2}").format(cmd, proc.returncode, stdout))
-    return stdout
-
-
-def ip_addr_raw():
-    return sudo_cmd_call("ip a")
-
-
-def ip_route_raw():
-    return sudo_cmd_call("ip r")
-
-
-def ip_ns_raw():
-    return sudo_cmd_call("ip netns list")
-
-
-def iptables_raw(table):
-    return sudo_cmd_call("iptables --line-numbers -L -nv -t " + table)
-
-
-def ip_ns_list():
-    return ip_ns_raw().split()
-
-
-def ip_ns_exec(ns, cmd):
-    return sudo_cmd_call(" ".join(("ip netns exec", ns, cmd)))
-
-
-def ip_ns_addr(ns):
-    return ip_ns_exec(ns, "ip a")
-
-
-def ip_ns_route(ns):
-    return ip_ns_exec(ns, "ip r")
-
-
-def iptables_ns(ns, table):
-    return ip_ns_exec(ns, "iptables -v -S -t " + table)
-
-
-def ovs_db_dump():
-    return sudo_cmd_call("ovsdb-client dump")
-
 
 def copy_file_to_host(file_from, dest, host, username, pkey):
     dest = "%s@%s:%s" % (username, host, dest)
diff --git a/tempest/common/debug.py b/tempest/common/debug.py
deleted file mode 100644
index 16e5ffe..0000000
--- a/tempest/common/debug.py
+++ /dev/null
@@ -1,51 +0,0 @@
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from tempest.common import commands
-from tempest import config
-from tempest.openstack.common import log as logging
-
-CONF = config.CONF
-LOG = logging.getLogger(__name__)
-
-TABLES = ['filter', 'nat', 'mangle']
-
-
-def log_ip_ns():
-    if not CONF.debug.enable:
-        return
-    LOG.info("Host Addr:\n" + commands.ip_addr_raw())
-    LOG.info("Host Route:\n" + commands.ip_route_raw())
-    for table in TABLES:
-        LOG.info('Host %s table:\n%s', table, commands.iptables_raw(table))
-    ns_list = commands.ip_ns_list()
-    LOG.info("Host ns list" + str(ns_list))
-    for ns in ns_list:
-        LOG.info("ns(%s) Addr:\n%s", ns, commands.ip_ns_addr(ns))
-        LOG.info("ns(%s) Route:\n%s", ns, commands.ip_ns_route(ns))
-        for table in TABLES:
-            LOG.info('ns(%s) table(%s):\n%s', ns, table,
-                     commands.iptables_ns(ns, table))
-
-
-def log_ovs_db():
-    if not CONF.debug.enable or not CONF.service_available.neutron:
-        return
-    db_dump = commands.ovs_db_dump()
-    LOG.info("OVS DB:\n" + db_dump)
-
-
-def log_net_debug():
-    log_ip_ns()
-    log_ovs_db()
diff --git a/tempest/common/rest_client.py b/tempest/common/rest_client.py
index 1df8896..c54f698 100644
--- a/tempest/common/rest_client.py
+++ b/tempest/common/rest_client.py
@@ -76,18 +76,6 @@
 
     TYPE = "json"
 
-    # This is used by _parse_resp method
-    # Redefine it for purposes of your xml service client
-    # List should contain top-xml_tag-names of data, which is like list/array
-    # For example, in keystone it is users, roles, tenants and services
-    # All of it has children with same tag-names
-    list_tags = []
-
-    # This is used by _parse_resp method too
-    # Used for selection of dict-like xmls,
-    # like metadata for Vms in nova, and volumes in cinder
-    dict_tags = ["metadata", ]
-
     LOG = logging.getLogger(__name__)
 
     def __init__(self, auth_provider):
@@ -165,11 +153,6 @@
             if catalog_type == service:
                 endpoint_type = getattr(cfg, 'endpoint_type', 'publicURL')
                 break
-        # Special case for compute v3 service which hasn't its own
-        # configuration group
-        else:
-            if service == CONF.compute.catalog_v3_type:
-                endpoint_type = CONF.compute.endpoint_type
         return endpoint_type
 
     @property
@@ -495,9 +478,8 @@
         # (and occasionally swift) are using.
         TXT_ENC = ['text/plain', 'text/html', 'text/html; charset=utf-8',
                    'text/plain; charset=utf-8']
-        XML_ENC = ['application/xml', 'application/xml; charset=utf-8']
 
-        if ctype.lower() in JSON_ENC or ctype.lower() in XML_ENC:
+        if ctype.lower() in JSON_ENC:
             parse_resp = True
         elif ctype.lower() in TXT_ENC:
             parse_resp = False
@@ -552,15 +534,17 @@
                             message = resp_body['cloudServersFault']['message']
                         elif 'computeFault' in resp_body:
                             message = resp_body['computeFault']['message']
-                        elif 'error' in resp_body:  # Keystone errors
+                        elif 'error' in resp_body:
                             message = resp_body['error']['message']
-                            raise exceptions.IdentityError(message)
                         elif 'message' in resp_body:
                             message = resp_body['message']
                     else:
                         message = resp_body
 
-            raise exceptions.ServerFault(message)
+            if resp.status == 501:
+                raise exceptions.NotImplemented(message)
+            else:
+                raise exceptions.ServerFault(message)
 
         if resp.status >= 400:
             raise exceptions.UnexpectedResponseCode(str(resp.status))
@@ -569,13 +553,10 @@
         if (not isinstance(resp_body, collections.Mapping) or
                 'retry-after' not in resp):
             return True
-        if self._get_type() is "json":
-            over_limit = resp_body.get('overLimit', None)
-            if not over_limit:
-                return True
-            return 'exceed' in over_limit.get('message', 'blabla')
-        elif self._get_type() is "xml":
-            return 'exceed' in resp_body.get('message', 'blabla')
+        over_limit = resp_body.get('overLimit', None)
+        if not over_limit:
+            return True
+        return 'exceed' in over_limit.get('message', 'blabla')
 
     def wait_for_resource_deletion(self, id):
         """Waits for a resource to be deleted."""
diff --git a/tempest/common/utils/linux/remote_client.py b/tempest/common/utils/linux/remote_client.py
index 6a238d0..d8bfef8 100644
--- a/tempest/common/utils/linux/remote_client.py
+++ b/tempest/common/utils/linux/remote_client.py
@@ -10,6 +10,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import netaddr
 import re
 import time
 
@@ -87,7 +88,9 @@
         return self.exec_command(cmd)
 
     def ping_host(self, host):
-        cmd = 'ping -c1 -w1 %s' % host
+        addr = netaddr.IPAddress(host)
+        cmd = 'ping6' if addr.version == 6 else 'ping'
+        cmd += ' -c1 -w1 {0}'.format(host)
         return self.exec_command(cmd)
 
     def get_mac_address(self):
diff --git a/tempest/config.py b/tempest/config.py
index 03346c9..cc6d626 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -926,9 +926,6 @@
                            title="Debug System")
 
 DebugGroup = [
-    cfg.BoolOpt('enable',
-                default=True,
-                help="Enable diagnostic commands"),
     cfg.StrOpt('trace_requests',
                default='',
                help="""A regex to determine which requests should be traced.
diff --git a/tempest/exceptions.py b/tempest/exceptions.py
index 213d5de..9b2b4d4 100644
--- a/tempest/exceptions.py
+++ b/tempest/exceptions.py
@@ -152,6 +152,10 @@
     message = "Got server fault"
 
 
+class NotImplemented(RestClientException):
+    message = "Got NotImplemented error"
+
+
 class ImageFault(TempestException):
     message = "Got image fault"
 
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index e46ec6d..410d90a 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -24,7 +24,6 @@
 from tempest import auth
 from tempest import clients
 from tempest.common import credentials
-from tempest.common import debug
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest import config
@@ -326,7 +325,6 @@
             linux_client.validate_authentication()
         except Exception:
             LOG.exception('Initializing SSH connection to %s failed' % ip)
-            debug.log_net_debug()
             # If we don't explicitely set for which servers we want to
             # log the console output then all the servers will be logged.
             # See the definition of _log_console_output()
@@ -400,7 +398,6 @@
         # network debug is called as part of ssh init
         if not isinstance(exc, exceptions.SSHTimeout):
             LOG.debug('Network information on a devstack host')
-            debug.log_net_debug()
 
     def create_server_snapshot(self, server, name=None):
         # Glance client
@@ -510,15 +507,12 @@
                                        username,
                                        private_key,
                                        should_connect=should_connect)
-        except Exception as e:
+        except Exception:
             ex_msg = 'Public network connectivity check failed'
             if msg:
                 ex_msg += ": " + msg
             LOG.exception(ex_msg)
             self._log_console_output(servers)
-            # network debug is called as part of ssh init
-            if not isinstance(e, exceptions.SSHTimeout):
-                debug.log_net_debug()
             raise
 
     def create_floating_ip(self, thing, pool_name=None):
@@ -612,22 +606,31 @@
             cidr_in_use = self._list_subnets(tenant_id=tenant_id, cidr=cidr)
             return len(cidr_in_use) != 0
 
-        tenant_cidr = netaddr.IPNetwork(CONF.network.tenant_network_cidr)
+        ip_version = kwargs.pop('ip_version', 4)
+
+        if ip_version == 6:
+            tenant_cidr = netaddr.IPNetwork(
+                CONF.network.tenant_network_v6_cidr)
+            num_bits = CONF.network.tenant_network_v6_mask_bits
+        else:
+            tenant_cidr = netaddr.IPNetwork(CONF.network.tenant_network_cidr)
+            num_bits = CONF.network.tenant_network_mask_bits
+
         result = None
+        str_cidr = None
         # Repeatedly attempt subnet creation with sequential cidr
         # blocks until an unallocated block is found.
-        for subnet_cidr in tenant_cidr.subnet(
-                CONF.network.tenant_network_mask_bits):
+        for subnet_cidr in tenant_cidr.subnet(num_bits):
             str_cidr = str(subnet_cidr)
             if cidr_in_use(str_cidr, tenant_id=network.tenant_id):
                 continue
 
             subnet = dict(
                 name=data_utils.rand_name(namestart),
-                ip_version=4,
                 network_id=network.id,
                 tenant_id=network.tenant_id,
                 cidr=str_cidr,
+                ip_version=ip_version,
                 **kwargs
             )
             try:
@@ -658,12 +661,17 @@
         self.addCleanup(self.delete_wrapper, port.delete)
         return port
 
-    def _get_server_port_id(self, server, ip_addr=None):
+    def _get_server_port_id_and_ip4(self, server, ip_addr=None):
         ports = self._list_ports(device_id=server['id'],
                                  fixed_ip=ip_addr)
         self.assertEqual(len(ports), 1,
                          "Unable to determine which port to target.")
-        return ports[0]['id']
+        # it might happen here that this port has more then one ip address
+        # as in case of dual stack- when this port is created on 2 subnets
+        for ip46 in ports[0]['fixed_ips']:
+            ip = ip46['ip_address']
+            if netaddr.valid_ipv4(ip):
+                return ports[0]['id'], ip
 
     def _get_network_by_name(self, network_name):
         net = self._list_networks(name=network_name)
@@ -679,11 +687,14 @@
         if not client:
             client = self.network_client
         if not port_id:
-            port_id = self._get_server_port_id(thing)
+            port_id, ip4 = self._get_server_port_id_and_ip4(thing)
+        else:
+            ip4 = None
         _, result = client.create_floatingip(
             floating_network_id=external_network_id,
             port_id=port_id,
-            tenant_id=thing['tenant_id']
+            tenant_id=thing['tenant_id'],
+            fixed_ip_address=ip4
         )
         floating_ip = net_resources.DeletableFloatingIp(
             client=client,
@@ -692,7 +703,7 @@
         return floating_ip
 
     def _associate_floating_ip(self, floating_ip, server):
-        port_id = self._get_server_port_id(server)
+        port_id, _ = self._get_server_port_id_and_ip4(server)
         floating_ip.update(port_id=port_id)
         self.assertEqual(port_id, floating_ip.port_id)
         return floating_ip
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index d24eb01..98e3fda 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -18,7 +18,6 @@
 
 import testtools
 
-from tempest.common import debug
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
@@ -325,7 +324,6 @@
                 LOG.exception("Unable to access {dest} via ssh to "
                               "floating-ip {src}".format(dest=remote_ip,
                                                          src=floating_ip))
-                debug.log_ip_ns()
                 raise
 
     @test.attr(type='smoke')
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
new file mode 100644
index 0000000..c9f1fe1
--- /dev/null
+++ b/tempest/scenario/test_network_v6.py
@@ -0,0 +1,146 @@
+# Copyright 2014 Cisco Systems, Inc.
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+import netaddr
+from tempest import config
+from tempest.openstack.common import log as logging
+from tempest.scenario import manager
+from tempest import test
+
+
+CONF = config.CONF
+LOG = logging.getLogger(__name__)
+
+
+class TestGettingAddress(manager.NetworkScenarioTest):
+    """Create network with 2 subnets: IPv4 and IPv6 in a given address mode
+    Boot 2 VMs on this network
+    Allocate and assign 2 FIP4
+    Check that vNIC of server matches port data from OpenStack DB
+    Ping4 tenant IPv4 of one VM from another one
+    Will do the same with ping6 when available in VM
+    """
+
+    @classmethod
+    def resource_setup(cls):
+        # Create no network resources for these tests.
+        cls.set_network_resources()
+        super(TestGettingAddress, cls).resource_setup()
+
+    @classmethod
+    def check_preconditions(cls):
+        if not (CONF.network_feature_enabled.ipv6
+                and CONF.network_feature_enabled.ipv6_subnet_attributes):
+            cls.enabled = False
+            raise cls.skipException('IPv6 or its attributes not supported')
+        if not (CONF.network.tenant_networks_reachable
+                or CONF.network.public_network_id):
+            msg = ('Either tenant_networks_reachable must be "true", or '
+                   'public_network_id must be defined.')
+            cls.enabled = False
+            raise cls.skipException(msg)
+        super(TestGettingAddress, cls).check_preconditions()
+
+    def setUp(self):
+        super(TestGettingAddress, self).setUp()
+        self.keypair = self.create_keypair()
+        self.sec_grp = self._create_security_group(tenant_id=self.tenant_id)
+        self.srv_kwargs = {
+            'key_name': self.keypair['name'],
+            'security_groups': [self.sec_grp]}
+
+    def prepare_network(self, address6_mode):
+        """Creates network with
+         one IPv6 subnet in the given mode and
+         one IPv4 subnet
+         Creates router with ports on both subnets
+        """
+        net = self._create_network(tenant_id=self.tenant_id)
+        sub4 = self._create_subnet(network=net,
+                                   namestart='sub4',
+                                   ip_version=4,)
+        # since https://bugs.launchpad.net/neutron/+bug/1394112 we need
+        # to specify gateway_ip manually
+        net_range = netaddr.IPNetwork(CONF.network.tenant_network_v6_cidr)
+        gateway_ip = (netaddr.IPAddress(net_range) + 1).format()
+        sub6 = self._create_subnet(network=net,
+                                   namestart='sub6',
+                                   ip_version=6,
+                                   gateway_ip=gateway_ip,
+                                   ipv6_ra_mode=address6_mode,
+                                   ipv6_address_mode=address6_mode)
+
+        router = self._get_router(tenant_id=self.tenant_id)
+        sub4.add_to_router(router_id=router['id'])
+        sub6.add_to_router(router_id=router['id'])
+        self.addCleanup(sub4.delete)
+        self.addCleanup(sub6.delete)
+
+    @staticmethod
+    def define_server_ips(srv):
+        for net_name, nics in srv['addresses'].iteritems():
+            for nic in nics:
+                if nic['version'] == 6:
+                    srv['accessIPv6'] = nic['addr']
+                else:
+                    srv['accessIPv4'] = nic['addr']
+
+    def prepare_server(self):
+        username = CONF.compute.image_ssh_user
+
+        srv = self.create_server(create_kwargs=self.srv_kwargs)
+        fip = self.create_floating_ip(thing=srv)
+        self.define_server_ips(srv=srv)
+        ssh = self.get_remote_client(
+            server_or_ip=fip.floating_ip_address,
+            username=username)
+        return ssh, srv
+
+    def _prepare_and_test(self, address6_mode):
+        self.prepare_network(address6_mode=address6_mode)
+
+        ssh1, srv1 = self.prepare_server()
+        ssh2, srv2 = self.prepare_server()
+
+        result = ssh1.get_ip_list()
+        self.assertIn(srv1['accessIPv4'], result)
+        # v6 should be configured since the image supports it
+        self.assertIn(srv1['accessIPv6'], result)
+        result = ssh2.get_ip_list()
+        self.assertIn(srv2['accessIPv4'], result)
+        # v6 should be configured since the image supports it
+        self.assertIn(srv2['accessIPv6'], result)
+        result = ssh1.ping_host(srv2['accessIPv4'])
+        self.assertIn('0% packet loss', result)
+        result = ssh2.ping_host(srv1['accessIPv4'])
+        self.assertIn('0% packet loss', result)
+
+        # Some VM (like cirros) may not have ping6 utility
+        result = ssh1.exec_command('whereis ping6')
+        is_ping6 = False if result == 'ping6:\n' else True
+        if is_ping6:
+            result = ssh1.ping_host(srv2['accessIPv6'])
+            self.assertIn('0% packet loss', result)
+            result = ssh2.ping_host(srv1['accessIPv6'])
+            self.assertIn('0% packet loss', result)
+        else:
+            LOG.warning('Ping6 is not available, skipping')
+
+    @test.services('compute', 'network')
+    def test_slaac_from_os(self):
+        self._prepare_and_test(address6_mode='slaac')
+
+    @test.services('compute', 'network')
+    def test_dhcp6_stateless_from_os(self):
+        self._prepare_and_test(address6_mode='dhcpv6-stateless')
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 7e6805c..d8f7a26 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 from tempest import clients
-from tempest.common import debug
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest.openstack.common import log as logging
@@ -334,15 +333,8 @@
             msg = "Timed out waiting for %s to become reachable" % ip
         else:
             msg = "%s is reachable" % ip
-        try:
-            self.assertTrue(self._check_remote_connectivity(access_point, ip,
-                                                            should_succeed),
-                            msg)
-        except test.exceptions.SSHTimeout:
-            raise
-        except Exception:
-            debug.log_net_debug()
-            raise
+        self.assertTrue(self._check_remote_connectivity(access_point, ip,
+                                                        should_succeed), msg)
 
     def _test_in_tenant_block(self, tenant):
         access_point_ssh = self._connect_to_access_point(tenant)
diff --git a/tempest/services/identity/json/identity_client.py b/tempest/services/identity/json/identity_client.py
index e76c1bd..281464c 100644
--- a/tempest/services/identity/json/identity_client.py
+++ b/tempest/services/identity/json/identity_client.py
@@ -26,10 +26,6 @@
         self.service = CONF.identity.catalog_type
         self.endpoint_url = 'adminURL'
 
-        # Needed for xml service client
-        self.list_tags = ["roles", "tenants", "users", "services",
-                          "extensions"]
-
     def has_admin_extensions(self):
         """
         Returns True if the KSADM Admin Extensions are supported
@@ -335,9 +331,6 @@
                 body=None):
         """A simple HTTP request interface."""
         if headers is None:
-            # Always accept 'json', for TokenClientXML too.
-            # Because XML response is not easily
-            # converted to the corresponding JSON one
             headers = self.get_headers(accept_type="json")
         elif extra_headers:
             try:
diff --git a/tempest/services/network/json/network_client.py b/tempest/services/network/json/network_client.py
index 46475f0..809c98b 100644
--- a/tempest/services/network/json/network_client.py
+++ b/tempest/services/network/json/network_client.py
@@ -40,8 +40,13 @@
     def deserialize_list(self, body):
         res = json.loads(body)
         # expecting response in form
-        # {'resources': [ res1, res2] }
-        return res[res.keys()[0]]
+        # {'resources': [ res1, res2] } => when pagination disabled
+        # {'resources': [..], 'resources_links': {}} => if pagination enabled
+        pagination_suffix = "_links"
+        for k in res.keys():
+            if k[-len(pagination_suffix):] == pagination_suffix:
+                continue
+            return res[k]
 
     def serialize(self, data):
         return json.dumps(data)
diff --git a/tempest/tests/common/test_debug.py b/tempest/tests/common/test_debug.py
deleted file mode 100644
index 8a880f2..0000000
--- a/tempest/tests/common/test_debug.py
+++ /dev/null
@@ -1,122 +0,0 @@
-# Copyright 2014 NEC Corporation.
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-import mock
-
-from tempest.common import debug
-from tempest import config
-from tempest.openstack.common.fixture import mockpatch
-from tempest import test
-from tempest.tests import base
-from tempest.tests import fake_config
-
-
-class TestDebug(base.TestCase):
-
-    def setUp(self):
-        super(TestDebug, self).setUp()
-        self.useFixture(fake_config.ConfigFixture())
-        self.stubs.Set(config, 'TempestConfigPrivate', fake_config.FakePrivate)
-
-        common_pre = 'tempest.common.commands'
-        self.ip_addr_raw_mock = self.patch(common_pre + '.ip_addr_raw')
-        self.ip_route_raw_mock = self.patch(common_pre + '.ip_route_raw')
-        self.iptables_raw_mock = self.patch(common_pre + '.iptables_raw')
-        self.ip_ns_list_mock = self.patch(common_pre + '.ip_ns_list')
-        self.ip_ns_addr_mock = self.patch(common_pre + '.ip_ns_addr')
-        self.ip_ns_route_mock = self.patch(common_pre + '.ip_ns_route')
-        self.iptables_ns_mock = self.patch(common_pre + '.iptables_ns')
-        self.ovs_db_dump_mock = self.patch(common_pre + '.ovs_db_dump')
-
-        self.log_mock = self.patch('tempest.common.debug.LOG')
-
-    def test_log_ip_ns_debug_disabled(self):
-        self.useFixture(mockpatch.PatchObject(test.CONF.debug,
-                                              'enable', False))
-        debug.log_ip_ns()
-        self.assertFalse(self.ip_addr_raw_mock.called)
-        self.assertFalse(self.log_mock.info.called)
-
-    def test_log_ip_ns_debug_enabled(self):
-        self.useFixture(mockpatch.PatchObject(test.CONF.debug,
-                                              'enable', True))
-
-        self.ip_ns_list_mock.return_value = [1, 2]
-
-        debug.log_ip_ns()
-        self.ip_addr_raw_mock.assert_called_with()
-        self.assertTrue(self.log_mock.info.called)
-        self.ip_route_raw_mock.assert_called_with()
-        self.assertEqual(len(debug.TABLES), self.iptables_raw_mock.call_count)
-        for table in debug.TABLES:
-            self.assertIn(mock.call(table),
-                          self.iptables_raw_mock.call_args_list)
-
-        self.ip_ns_list_mock.assert_called_with()
-        self.assertEqual(len(self.ip_ns_list_mock.return_value),
-                         self.ip_ns_addr_mock.call_count)
-        self.assertEqual(len(self.ip_ns_list_mock.return_value),
-                         self.ip_ns_route_mock.call_count)
-        for ns in self.ip_ns_list_mock.return_value:
-            self.assertIn(mock.call(ns),
-                          self.ip_ns_addr_mock.call_args_list)
-            self.assertIn(mock.call(ns),
-                          self.ip_ns_route_mock.call_args_list)
-
-        self.assertEqual(len(debug.TABLES) *
-                         len(self.ip_ns_list_mock.return_value),
-                         self.iptables_ns_mock.call_count)
-        for ns in self.ip_ns_list_mock.return_value:
-            for table in debug.TABLES:
-                self.assertIn(mock.call(ns, table),
-                              self.iptables_ns_mock.call_args_list)
-
-    def test_log_ovs_db_debug_disabled(self):
-        self.useFixture(mockpatch.PatchObject(test.CONF.debug,
-                                              'enable', False))
-        self.useFixture(mockpatch.PatchObject(test.CONF.service_available,
-                                              'neutron', False))
-        debug.log_ovs_db()
-        self.assertFalse(self.ovs_db_dump_mock.called)
-
-        self.useFixture(mockpatch.PatchObject(test.CONF.debug,
-                                              'enable', True))
-        self.useFixture(mockpatch.PatchObject(test.CONF.service_available,
-                                              'neutron', False))
-        debug.log_ovs_db()
-        self.assertFalse(self.ovs_db_dump_mock.called)
-
-        self.useFixture(mockpatch.PatchObject(test.CONF.debug,
-                                              'enable', False))
-        self.useFixture(mockpatch.PatchObject(test.CONF.service_available,
-                                              'neutron', True))
-        debug.log_ovs_db()
-        self.assertFalse(self.ovs_db_dump_mock.called)
-
-    def test_log_ovs_db_debug_enabled(self):
-        self.useFixture(mockpatch.PatchObject(test.CONF.debug,
-                                              'enable', True))
-        self.useFixture(mockpatch.PatchObject(test.CONF.service_available,
-                                              'neutron', True))
-        debug.log_ovs_db()
-        self.ovs_db_dump_mock.assert_called_with()
-
-    def test_log_net_debug(self):
-        self.log_ip_ns_mock = self.patch('tempest.common.debug.log_ip_ns')
-        self.log_ovs_db_mock = self.patch('tempest.common.debug.log_ovs_db')
-
-        debug.log_net_debug()
-        self.log_ip_ns_mock.assert_called_with()
-        self.log_ovs_db_mock.assert_called_with()
diff --git a/tempest/tests/test_commands.py b/tempest/tests/test_commands.py
deleted file mode 100644
index 2379741..0000000
--- a/tempest/tests/test_commands.py
+++ /dev/null
@@ -1,89 +0,0 @@
-# Copyright 2014 NEC Corporation.  All rights reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-import subprocess
-
-import mock
-
-from tempest.common import commands
-from tempest.tests import base
-
-
-class TestCommands(base.TestCase):
-
-    def setUp(self):
-        super(TestCommands, self).setUp()
-        self.subprocess_args = {'stdout': subprocess.PIPE,
-                                'stderr': subprocess.STDOUT}
-
-    @mock.patch('subprocess.Popen')
-    def test_ip_addr_raw(self, mock):
-        expected = ['/usr/bin/sudo', '-n', 'ip', 'a']
-        commands.ip_addr_raw()
-        mock.assert_called_once_with(expected, **self.subprocess_args)
-
-    @mock.patch('subprocess.Popen')
-    def test_ip_route_raw(self, mock):
-        expected = ['/usr/bin/sudo', '-n', 'ip', 'r']
-        commands.ip_route_raw()
-        mock.assert_called_once_with(expected, **self.subprocess_args)
-
-    @mock.patch('subprocess.Popen')
-    def test_ip_ns_raw(self, mock):
-        expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'list']
-        commands.ip_ns_raw()
-        mock.assert_called_once_with(expected, **self.subprocess_args)
-
-    @mock.patch('subprocess.Popen')
-    def test_iptables_raw(self, mock):
-        table = 'filter'
-        expected = ['/usr/bin/sudo', '-n', 'iptables', '--line-numbers',
-                    '-L', '-nv', '-t',
-                    '%s' % table]
-        commands.iptables_raw(table)
-        mock.assert_called_once_with(expected, **self.subprocess_args)
-
-    @mock.patch('subprocess.Popen')
-    def test_ip_ns_list(self, mock):
-        expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'list']
-        commands.ip_ns_list()
-        mock.assert_called_once_with(expected, **self.subprocess_args)
-
-    @mock.patch('subprocess.Popen')
-    def test_ip_ns_addr(self, mock):
-        ns_list = commands.ip_ns_list()
-        for ns in ns_list:
-            expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'exec', ns,
-                        'ip', 'a']
-            commands.ip_ns_addr(ns)
-            mock.assert_called_once_with(expected, **self.subprocess_args)
-
-    @mock.patch('subprocess.Popen')
-    def test_ip_ns_route(self, mock):
-        ns_list = commands.ip_ns_list()
-        for ns in ns_list:
-            expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'exec', ns,
-                        'ip', 'r']
-            commands.ip_ns_route(ns)
-            mock.assert_called_once_with(expected, **self.subprocess_args)
-
-    @mock.patch('subprocess.Popen')
-    def test_iptables_ns(self, mock):
-        table = 'filter'
-        ns_list = commands.ip_ns_list()
-        for ns in ns_list:
-            expected = ['/usr/bin/sudo', '-n', 'ip', 'netns', 'exec', ns,
-                        'iptables', '-v', '-S', '-t', table]
-            commands.iptables_ns(ns, table)
-            mock.assert_called_once_with(expected, **self.subprocess_args)
diff --git a/tempest/tests/test_rest_client.py b/tempest/tests/test_rest_client.py
index bb463e5..5b2ce7a 100644
--- a/tempest/tests/test_rest_client.py
+++ b/tempest/tests/test_rest_client.py
@@ -351,7 +351,7 @@
                           **self.set_data("500"))
 
     def test_response_501_with_text(self):
-        self.assertRaises(exceptions.ServerFault,
+        self.assertRaises(exceptions.NotImplemented,
                           self.rest_client._error_checker,
                           **self.set_data("501"))
 
@@ -363,7 +363,7 @@
 
     def test_response_501_with_dict(self):
         r_body = '{"resp_body": {"err": "fake_resp_body"}}'
-        self.assertRaises(exceptions.ServerFault,
+        self.assertRaises(exceptions.NotImplemented,
                           self.rest_client._error_checker,
                           **self.set_data("501", r_body=r_body))