diff --git a/gosdn.clab.yaml b/gosdn.clab.yaml
index bc83b03ecaddef34def7aae758912dc56b5aa532..2971d6628a206bd04283281b28209173d49c54c8 100644
--- a/gosdn.clab.yaml
+++ b/gosdn.clab.yaml
@@ -20,98 +20,98 @@ topology:
       mgmt_ipv4: 172.100.0.12
       group: spine
 
-    centos1:
+    ubuntu1:
       kind: linux
-      image: centos:8
+      image: registry.code.fbi.h-da.de/danet/containers/ubuntu:22.04
       mgmt_ipv4: 172.100.0.3
       group: server
 
-    centos2:
-      kind: linux
-      image: centos:8
-      mgmt_ipv4: 172.100.0.4
-      group: server
+    #centos2:
+    #  kind: linux
+    #  image: centos:8
+    #  mgmt_ipv4: 172.100.0.4
+    #  group: server
 
-    gosdn:
-      kind: linux
-      image: gosdn
-      ports:
-        - 55055:55055
-        - 8080:8080
-        - 40000:40000
-      cmd:
-        --config /gosdn/configs/containerlab-gosdn.toml
-      mgmt_ipv4: 172.100.0.5
+    #gosdn:
+    #  kind: linux
+    #  image: gosdn
+    #  ports:
+    #    - 55055:55055
+    #    - 8080:8080
+    #    - 40000:40000
+    #  cmd:
+    #    --config /gosdn/configs/containerlab-gosdn.toml
+    #  mgmt_ipv4: 172.100.0.5
 
-    gnmi-target:
-      kind: linux
-      image: gnmi-target
-      ports:
-        - 7030:7030
-      mgmt_ipv4: 172.100.0.6
+    #gnmi-target:
+    #  kind: linux
+    #  image: gnmi-target
+    #  ports:
+    #    - 7030:7030
+    #  mgmt_ipv4: 172.100.0.6
+#
+    #csbi-orchestrator:
+    #  kind: linux
+    #  image: orchestrator
+    #  ports:
+    #    - 55056:55056
+    #    - 9338:9338
+    #  binds:
+    #    - /var/run/docker.sock:/var/run/docker.sock
+    #    - ./csbi/.csbi.yaml:/etc/.csbi.yml
+    #  cmd: --log-level trace --config /etc/.csbi.yml
+    #  mgmt_ipv4: 172.100.0.7
 
-    csbi-orchestrator:
-      kind: linux
-      image: orchestrator
-      ports:
-        - 55056:55056
-        - 9338:9338
-      binds:
-        - /var/run/docker.sock:/var/run/docker.sock
-        - ./csbi/.csbi.yaml:/etc/.csbi.yml
-      cmd: --log-level trace --config /etc/.csbi.yml
-      mgmt_ipv4: 172.100.0.7
-
-    grafana:
-      kind: linux
-      image: grafana/grafana:8.1.2
-      binds:
-        - ./csbi/grafana/provisioning/datasources:/etc/grafana/provisioning/datasources
-      ports:
-        - 3000:3000
-      mgmt_ipv4: 172.100.0.8
-
-    prometheus:
-      kind: linux
-      image: prom/prometheus:v2.29.1
-      ports:
-        - 9000:9090
-      binds:
-        - ./csbi/prometheus:/etc/prometheus
-      cmd: --web.enable-lifecycle  --config.file=/etc/prometheus/prometheus.yml
-      mgmt_ipv4: 172.100.0.9
-
-    mongodb:
-      kind: linux
-      image: mongo:5
-      ports:
-        - 27017:27017
-      env:
-        MONGO_INITDB_ROOT_USERNAME: root
-        MONGO_INITDB_ROOT_PASSWORD: example
-      mgmt_ipv4: 172.100.0.13
-
-    mongodb-express:
-      kind: linux
-      image: mongo-express:0.54.0
-      ports:
-        - 8081:8081
-      env:
-        ME_CONFIG_MONGODB_ADMINUSERNAME: root
-        ME_CONFIG_MONGODB_ADMINPASSWORD: example
-        ME_CONFIG_MONGODB_SERVER: mongodb
-      mgmt_ipv4: 172.100.0.14
+    #grafana:
+    #  kind: linux
+    #  image: grafana/grafana:8.1.2
+    #  binds:
+    #    - ./csbi/grafana/provisioning/datasources:/etc/grafana/provisioning/datasources
+    #  ports:
+    #    - 3000:3000
+    #  mgmt_ipv4: 172.100.0.8
 
-    rabbitmq:
-        kind: linux
-        image: rabbitmq:3-management
-        ports:
-          - 127.0.0.1:5672:5672
-          - 127.0.0.1:15672:15672
-        mgmt_ipv4: 172.100.0.15
+    #prometheus:
+    #  kind: linux
+    #  image: prom/prometheus:v2.29.1
+    #  ports:
+    #    - 9000:9090
+    #  binds:
+    #    - ./csbi/prometheus:/etc/prometheus
+    #  cmd: --web.enable-lifecycle  --config.file=/etc/prometheus/prometheus.yml
+    #  mgmt_ipv4: 172.100.0.9
+#
+    #mongodb:
+    #  kind: linux
+    #  image: mongo:5
+    #  ports:
+    #    - 27017:27017
+    #  env:
+    #    MONGO_INITDB_ROOT_USERNAME: root
+    #    MONGO_INITDB_ROOT_PASSWORD: example
+    #  mgmt_ipv4: 172.100.0.13
+#
+    #mongodb-express:
+    #  kind: linux
+    #  image: mongo-express:0.54.0
+    #  ports:
+    #    - 8081:8081
+    #  env:
+    #    ME_CONFIG_MONGODB_ADMINUSERNAME: root
+    #    ME_CONFIG_MONGODB_ADMINPASSWORD: example
+    #    ME_CONFIG_MONGODB_SERVER: mongodb
+    #  mgmt_ipv4: 172.100.0.14
+#
+    #rabbitmq:
+    #    kind: linux
+    #    image: rabbitmq:3-management
+    #    ports:
+    #      - 127.0.0.1:5672:5672
+    #      - 127.0.0.1:15672:15672
+    #    mgmt_ipv4: 172.100.0.15
 
   links:
     - endpoints: ["ceos0:eth1","ceos1a:eth1"]
-    - endpoints: ["ceos0:eth2","centos1:eth1"]
-    - endpoints: ["ceos1a:eth2","centos2:eth1"]
+    - endpoints: ["ceos0:eth2","ubuntu1:eth1"]
+    - endpoints: ["ceos1a:eth2","ubuntu1:eth2"]
 
diff --git a/scripts/test-add-three-devices.sh b/scripts/test-add-three-devices.sh
new file mode 100755
index 0000000000000000000000000000000000000000..54b7bbfeafb03a37cf45e04396cdeff35b507a5e
--- /dev/null
+++ b/scripts/test-add-three-devices.sh
@@ -0,0 +1,11 @@
+if [ $# -eq 0 ]
+  then
+    echo 'you need to provide the password for the admin user'
+    exit 1
+fi
+./artifacts/gosdnc login --controller 127.0.0.1:55055 --u admin --p $1
+./artifacts/gosdnc pnd use 5f20f34b-cbd0-4511-9ddc-c50cf6a3b49d
+./artifacts/gosdnc device create -a 172.100.0.11:6030 -u admin -p admin --name="ceos0"
+./artifacts/gosdnc device create -a 172.100.0.12:6030 -u admin -p admin --name="ceos1a"
+./artifacts/gosdnc device create -a 172.100.0.3:7030 -u admin -p admin --name="ubuntu1"
+./artifacts/gosdnc device list