b2b8cf72a8
networking-ovn optionally expects list of dns server to be defined in the config -'ovn/dns_servers'. These will be included in the 'dns_server' DHCP option field when the VMs send DHCP request if the subnet's dns_nameservers field is not defined by the user. Change-Id: I353ac905069ecc945720df2b9e3051989238a02a Partial-bug: #1774052