ovs_neutron_plugin.ini multiple networks

vxlan_udp_port=4789
tunnel_type=gre
tunnel_id_ranges=1000:3000
tenant_network_type=gre
local_ip=10.6.88.11
enable_tunneling=True
integration_bridge=br-int
tunnel_bridge=br-tun
network_vlan_ranges = physnet2,physnet0,physnet4
bridge_mappings = physnet2:br-ex,physnet0:br-enc,physnet4:br-ing