@sdk_utils.expose<EOL><INDENT>def shutdown(self, vm_names=None, reboot=False):<DEDENT>
self.virt_env.shutdown(vm_names, reboot)<EOL>
Shutdown this prefix

Args:
    vm_names(list of str): List of the vms to shutdown
    reboot(bool): If true, reboot the requested vms

Returns:
    None