Attempt to fix networking for virtual installation. Undercloud could not...

Attempt to fix networking for virtual installation. Undercloud could not access Internet. DID NOT WORK.

conf/lab2b/deploy/network-settings.yaml

@@ -58,7 +58,7 @@ private_network:
 public_network:
   enabled: true
   network_type: ''
-  bridged_interface: 'em1'
+  bridged_interface: ''
   cidr: 192.168.67.0/24
   gateway: 192.168.67.1
   floating_ip_range: 192.168.67.200,192.168.67.220

conf/lab2c/deploy/network-settings.yaml

@@ -57,7 +57,7 @@ private_network:
 #
 public_network:
   enabled: true
-  network_type: 'em1'
+  network_type: ''
   bridged_interface: ''
   cidr: 192.168.77.0/24
   gateway: 192.168.77.1