diff --git a/functions b/functions
index 9303567..f33fd25 100644
--- a/functions
+++ b/functions
@@ -18,6 +18,7 @@
 FUNC_DIR=$(cd $(dirname "${BASH_SOURCE:-$0}") && pwd)
 source ${FUNC_DIR}/functions-common
 source ${FUNC_DIR}/inc/ini-config
+source ${FUNC_DIR}/inc/meta-config
 source ${FUNC_DIR}/inc/python
 source ${FUNC_DIR}/inc/rootwrap
 
diff --git a/lib/cinder b/lib/cinder
index 32e38c4..fd96053 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -228,8 +228,11 @@
     iniset $CINDER_CONF DEFAULT osapi_volume_listen $CINDER_SERVICE_LISTEN_ADDRESS
     iniset $CINDER_CONF DEFAULT state_path $CINDER_STATE_PATH
     iniset $CINDER_CONF oslo_concurrency lock_path $CINDER_STATE_PATH
-    iniset $CINDER_CONF DEFAULT my_ip "$HOST_IP"
-
+    if [[ $SERVICE_IP_VERSION == 6 ]]; then
+        iniset $CINDER_CONF DEFAULT my_ip "$HOST_IPV6"
+    else
+        iniset $CINDER_CONF DEFAULT my_ip "$HOST_IP"
+    fi
     iniset $CINDER_CONF key_manager backend cinder.keymgr.conf_key_mgr.ConfKeyManager
     iniset $CINDER_CONF key_manager fixed_key $(openssl rand -hex 16)
 
diff --git a/lib/nova b/lib/nova
index 449291e..22f0706 100644
--- a/lib/nova
+++ b/lib/nova
@@ -861,7 +861,10 @@
 
     local compute_cell_conf=$NOVA_CONF
 
+    # Bug #1802143: $NOVA_CPU_CONF is constructed by first copying $NOVA_CONF...
     cp $compute_cell_conf $NOVA_CPU_CONF
+    # ...and then adding/overriding anything explicitly set in $NOVA_CPU_CONF
+    merge_config_file $TOP_DIR/local.conf post-config '$NOVA_CPU_CONF'
 
     if [[ "${CELLSV2_SETUP}" == "singleconductor" ]]; then
         # NOTE(danms): Grenade doesn't setup multi-cell rabbit, so
diff --git a/lib/tempest b/lib/tempest
index 4a192a0..96c9ced 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -130,6 +130,8 @@
     local available_flavors
     local flavors_ref
     local flavor_lines
+    local flavor_ref_size
+    local flavor_ref_alt_size
     local public_network_id
     local public_router_id
     local ssh_connect_method="floating"
@@ -233,11 +235,24 @@
             fi
             flavor_ref=${flavors[0]}
             flavor_ref_alt=$flavor_ref
+            flavor_ref_size=$(openstack flavor show --format value --column disk "${flavor_ref}")
 
             # Ensure ``flavor_ref`` and ``flavor_ref_alt`` have different values.
             # Some resize instance in tempest tests depends on this.
             for f in ${flavors[@]:1}; do
                 if [[ "$f" != "$flavor_ref" ]]; then
+                    #
+                    # NOTE(sdatko): Resize is only possible when target flavor
+                    #               is not smaller than the original one. For
+                    #               Tempest tests, in case there was a bigger
+                    #               flavor selected as default, e.g. m1.small,
+                    #               we need to perform additional check.
+                    #
+                    flavor_ref_alt_size=$(openstack flavor show --format value --column disk "${f}")
+                    if [[ "${flavor_ref_alt_size}" -lt "${flavor_ref_size}" ]]; then
+                        continue
+                    fi
+
                     flavor_ref_alt=$f
                     break
                 fi
diff --git a/stack.sh b/stack.sh
index 2544900..9982c35 100755
--- a/stack.sh
+++ b/stack.sh
@@ -167,9 +167,6 @@
 # Import common functions
 source $TOP_DIR/functions
 
-# Import config functions
-source $TOP_DIR/inc/meta-config
-
 # Import 'public' stack.sh functions
 source $TOP_DIR/lib/stack