diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index 567b85a..251336e 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -674,7 +674,7 @@
 #
 
 # If false, skip all nova v3 tests. (boolean value)
-#api_v3=false
+#api_v3=true
 
 # If false, skip disk config tests (boolean value)
 #disk_config=true
diff --git a/etc/whitelist.yaml b/etc/whitelist.yaml
index e6d28f5..aef49dd 100644
--- a/etc/whitelist.yaml
+++ b/etc/whitelist.yaml
@@ -38,6 +38,8 @@
         running command"
     - module: "swiftclient"
       message: "Container HEAD failed: .*404 Not Found"
+    - module: "glance.api.middleware.cache"
+      message: "however the registry did not contain metadata for that image"
 
 ceilometer-acompute:
     - module: "ceilometer.compute.pollsters.disk"
@@ -81,10 +83,18 @@
       message: "\\{u'kernel_id'.*u'ramdisk_id':"
     - module: "nova.api.openstack.wsgi"
       message: "takes exactly 4 arguments"
+    - module: "nova.api.openstack"
+      message: "Caught error: Instance .* could not be found"
 
 n-cond:
     - module: "nova.notifications"
       message: "Failed to send state update notification"
+    - module: "nova.openstack.common.rpc.amqp"
+      message: "Exception during message handling"
+    - module: "nova.openstack.common.rpc.common"
+      message: "but the actual state is deleting to caller"
+    - module: "nova.openstack.common.rpc.common"
+      message: "Traceback \\(most recent call last"
 
 n-sch:
     - module: "nova.scheduler.filter_scheduler"
@@ -95,6 +105,10 @@
       message: "Caught error: Volume .* could not be found"
     - module: "cinder.api.middleware.fault"
       message: "Caught error: Snapshot .* could not be found"
+    - module: "cinder.api.openstack.wsgi"
+      message: "argument must be a string or a number, not 'NoneType'"
+    - module: "cinder.volume.api"
+      message: "Volume status must be available to reserve"
 
 c-vol:
     - module: "cinder.brick.iscsi.iscsi"
@@ -119,6 +133,12 @@
       message: "duplicate key value violates unique constraint"
     - module: "ceilometer.collector.dispatcher.database"
       message: "Failed to record metering data: QueuePool limit"
+    - module: "ceilometer.collector.dispatcher.database"
+      message: "Failed to record metering data: .* integer out of range"
+    - module: "ceilometer.collector.dispatcher.database"
+      message: "Failed to record metering data: .* integer out of range"
+    - module: "ceilometer.openstack.common.db.sqlalchemy.session"
+      message: "DB exception wrapped"
 
 q-agt:
     - module: "neutron.agent.linux.ovs_lib"
@@ -159,4 +179,6 @@
       message: "(Network|Pool|Subnet|Agent|Port) .* could not be found"
     - module: "neutron.api.v2.resource"
       message: ".* failed"
+    - module: ".*"
+      message: ".*"
 
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 1044ae1..5abde56 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -198,7 +198,6 @@
                 required time (%s s).' % (self.server_id, self.build_timeout)
                 raise exceptions.TimeoutException(message)
 
-    @skip_because(bug="1251920")
     @attr(type='gate')
     def test_create_backup(self):
         # Positive test:create backup successfully and rotate backups correctly
@@ -271,6 +270,16 @@
     def test_get_console_output(self):
         # Positive test:Should be able to GET the console output
         # for a given server_id and number of lines
+
+        # This reboot is necessary for outputting some console log after
+        # creating a instance backup. If a instance backup, the console
+        # log file is truncated and we cannot get any console log through
+        # "console-log" API.
+        # The detail is https://bugs.launchpad.net/nova/+bug/1251920
+        resp, body = self.servers_client.reboot(self.server_id, 'HARD')
+        self.assertEqual(202, resp.status)
+        self.servers_client.wait_for_server_status(self.server_id, 'ACTIVE')
+
         def get_output():
             resp, output = self.servers_client.get_console_output(
                 self.server_id, 10)
diff --git a/tempest/config.py b/tempest/config.py
index 009147b..6af7d51 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -211,7 +211,7 @@
 
 ComputeFeaturesGroup = [
     cfg.BoolOpt('api_v3',
-                default=False,
+                default=True,
                 help="If false, skip all nova v3 tests."),
     cfg.BoolOpt('disk_config',
                 default=True,