Updating slicing package to activate extra interfaces

Signed-off-by: Felipe Vicens <felipe.vicens@atos.net>

slice_basic_middle_vnf/cloud_init/cloud-config.txt

 #cloud-config
-network:
-  version: 2
-  ethernets:
-    ens3:
-      dhcp4: true
-    ens4:
-      dhcp4: true
-    ens5:
-      dhcp4: true
\ No newline at end of file
+password: osm4u
+chpasswd: { expire: False }
+ssh_pwauth: True
+
+write_files:
+-   content: |
+        network:
+            version: 2
+            ethernets:
+                ens3:
+                    dhcp4: true
+                ens4:
+                    dhcp4: true
+                ens5:
+                    dhcp4: true
+    owner: root:root
+    permissions: '0644'
+    path: /etc/netplan/01-netcfg.yaml
+
+runcmd:
+-   [ mv, /etc/netplan/50-cloud-init.yaml, /etc/netplan/50-cloud-init.yaml.bak ]
+-   [ netplan, apply ]

slice_basic_vnf/cloud_init/cloud-config.txt

 #cloud-config
-network:
-  version: 2
-  ethernets:
-    ens3:
-      dhcp4: true
-    ens4:
-      dhcp4: true
\ No newline at end of file
+password: osm4u
+chpasswd: { expire: False }
+ssh_pwauth: True
+
+write_files:
+-   content: |
+        network:
+            version: 2
+            ethernets:
+                ens3:
+                    dhcp4: true
+                ens4:
+                    dhcp4: true
+    owner: root:root
+    permissions: '0644'
+    path: /etc/netplan/01-netcfg.yaml
+
+runcmd:
+-   [ mv, /etc/netplan/50-cloud-init.yaml, /etc/netplan/50-cloud-init.yaml.bak ]
+-   [ netplan, apply ]
+