List virtual interfaces on a server

    CLI Example:

    .. code-block:: bash

        salt minionname cloud.virtual_interface_list my-nova names=['salt-master']

def virtual_interface_list(provider, names, **kwargs):
    '''
    List virtual interfaces on a server

    CLI Example:

    .. code-block:: bash

        salt minionname cloud.virtual_interface_list my-nova names=['salt-master']

    '''
    client = _get_client()
    return client.extra_action(provider=provider, names=names, action='virtual_interface_list', **kwargs)