In order to disable the messages, we have to use disable, not disable-msg.
In order to disable the messages, we have to use disable, not disable-msg.

rackerlabs/melange,rackerlabs/melange,openstack-attic/melange,rajarammallya/melange,rackerlabs/melange,openstack-attic/melange,rajarammallya/melange,rajarammallya/melange,openstack-attic/melange