fix docker networking for molecule test5

Author: sjpb

molecule/test5/molecule.yml

@@ -14,6 +14,8 @@ platforms:
       - /tmp
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    networks:
+      - name: net1
     docker_networks:
       - name: net1
         driver_options:
@@ -29,6 +31,8 @@ platforms:
       - /tmp
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    networks:
+      - name: net1
     docker_networks:
       - name: net1
         driver_options:
@@ -44,6 +48,8 @@ platforms:
       - /tmp
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    networks:
+      - name: net1
     docker_networks:
       - name: net1
         driver_options: