Searched through all questions but couldn't find an exact solution. Please help me.

neutron-server.log ------ ERROR neutron.plugins.ml2.managers Failed to bind port on host compute.

There is nothing in nova-logs. All it consists of connected to AMQP server.

nova-compute.log in compute node 2015-10-01 11:55:18.027 25570 TRACE nova.compute.manager [instance: 25e54f45-a3e1-4ce3-8ead-45fd731074f0] _("Unexpected vif_type=%s") % vif_type) 2015-10-01 11:55:18.027 25570 TRACE nova.compute.manager [instance: 25e54f45-a3e1-4ce3-8ead-45fd731074f0] NovaException: Unexpected vif_type=binding_failed 2015-10-01 11:55:18.027 25570 TRACE nova.compute.manager [instance: 25e54f45-a3e1-4ce3-8ead-45fd731074f0] 2015-10-01 11:59:20.589 25570 WARNING nova.compute.manager [req-ab950041-0ba0-4113-9d33-4db1ae302e74 - - - - -] Bandwidth usage not supported by hypervisor. 2015-10-01 12:29:20.584 25570 WARNING nova.virt.libvirt.imagecache [req-ab950041-0ba0-4113-9d33-4db1ae302e74 - - - - -] Unknown base file: /var/lib/nova/instances/_base/262dc0f95004a9ad83681be3235ce3f2bf4086cb

neutron.conf[DEFAULT] rpc_backend = rabbit auth_strategy = keystone core_plugin = ml2 service_plugins = router allow_overlapping_ips = True notify_nova_on_port_status_changes = True notify_nova_on_port_data_changes = True nova_url = http://controller:8774/v2

[database] connection = mysql://neutron:passwd@controller/neutron

[keystone_authtoken] auth_uri = http://controller:5000 auth_url = http://controller:35357 auth_plugin = password project_domain_id = default user_domain_id = default project_name = service username = neutron password = passwd

[nova] auth_url = http://controller:35357 auth_plugin = password project_domain_id = default user_domain_id = default region_name = RegionOne project_name = service username = nova password = passwd

[oslo_concurrency] lock_path = $state_path/lock

[oslo_messaging_rabbit] rabbit_host = controller rabbit_userid = openstack rabbit_password = passwd

ml2_conf.ini

[ml2] type_drivers = flat,vlan,gre,vxlan tenant_network_types = gre mechanism_drivers = openvswitch [ml2_type_gre] tunnel_id_ranges = 1:1000

[securitygroup] enable_security_group = True enable_ipset = True firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver

But Launched instance in demo mode even though couldn't access the console. It said error not connected or unable to resolve dns address