Yes indeed; Appended this to the end of the vmx and we're away and working. It's just quite a paint to edit the vmx files in the datastore. Could you clarify that this is exactly the same settings I could reconfigure with a config-drive instead?
guestinfo.dns.server.0 ="10.201.0.11"
guestinfo.dns.server.1 ="10.201.0.12"
guestinfo.hostname ="Container01"
guestinfo.interface.0.dhcp ="no"
guestinfo.interface.0.role ="public"
guestinfo.interface.0.route.0.destination ="
0.0.0.0/0"
guestinfo.interface.0.route.0.gateway ="10.201.0.1"