diff --git a/.zuul.yaml b/.zuul.yaml
index a6a4b3e..45c957e 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -194,12 +194,8 @@
         c-bak: false
 
 - job:
-    name: tempest-multinode-full
+    name: tempest-multinode-full-base
     parent: devstack-tempest
-    nodeset: openstack-two-node-bionic
-    # Until the devstack changes are backported, only run this on master
-    branches:
-      - master
     description: |
       Base multinode integration test with Neutron networking and py27.
       Former names for this job were:
@@ -225,6 +221,26 @@
           USE_BLOCK_MIGRATION_FOR_LIVE_MIGRATION: true
 
 - job:
+    name: tempest-multinode-full
+    parent: tempest-multinode-full-base
+    nodeset: openstack-two-node-bionic
+    # This job runs on Bionic from stable/stein on.
+    branches: ^(?!stable/(ocata|pike|queens|rocky)).*$
+
+- job:
+    name: tempest-multinode-full
+    parent: tempest-multinode-full-base
+    nodeset: openstack-two-node-xenial
+    # This job runs on Xenial and this is for stable/pike, stable/queens
+    # and stable/rocky. This job is prepared to make sure all stable branches
+    # before stable/stein will keep running on xenial. This job can be
+    # removed once stable/rocky is EOL.
+    branches:
+      - stable/pike
+      - stable/queens
+      - stable/rocky
+
+- job:
     name: tempest-multinode-full-py3
     parent: tempest-multinode-full
     vars:
diff --git a/doc/source/microversion_testing.rst b/doc/source/microversion_testing.rst
index 983fa24..4b1c145 100644
--- a/doc/source/microversion_testing.rst
+++ b/doc/source/microversion_testing.rst
@@ -338,8 +338,8 @@
 
   .. _2.26: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id23
 
-* `2.28`_
-
+  * `2.28`_
+
   .. _2.28: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id25
 
   * `2.32`_
diff --git a/tempest/cmd/run.py b/tempest/cmd/run.py
index 3e84b82..a8ef08c 100644
--- a/tempest/cmd/run.py
+++ b/tempest/cmd/run.py
@@ -252,6 +252,7 @@
                             default=False)
         # execution args
         parser.add_argument('--concurrency', '-w',
+                            type=int,
                             help="The number of workers to use, defaults to "
                                  "the number of cpus")
         parallel = parser.add_mutually_exclusive_group()