Starts the TendrilManager.

        :param acceptor: If given, specifies a callable that will be
                         called with each newly received Tendril;
                         that callable is responsible for initial
                         acceptance of the connection and for setting
                         up the initial state of the connection.  If
                         not given, no new connections will be
                         accepted by the TendrilManager.
        :param wrapper: A callable taking, as its first argument, a
                        socket.socket object.  The callable must
                        return a valid proxy for the socket.socket
                        object, which will subsequently be used to
                        communicate on the connection.

        For passing extra arguments to the acceptor or the wrapper,
        see the ``TendrilPartial`` class; for chaining together
        multiple wrappers, see the ``WrapperChain`` class.

def start(self, acceptor=None, wrapper=None):
        """
        Starts the TendrilManager.

        :param acceptor: If given, specifies a callable that will be
                         called with each newly received Tendril;
                         that callable is responsible for initial
                         acceptance of the connection and for setting
                         up the initial state of the connection.  If
                         not given, no new connections will be
                         accepted by the TendrilManager.
        :param wrapper: A callable taking, as its first argument, a
                        socket.socket object.  The callable must
                        return a valid proxy for the socket.socket
                        object, which will subsequently be used to
                        communicate on the connection.

        For passing extra arguments to the acceptor or the wrapper,
        see the ``TendrilPartial`` class; for chaining together
        multiple wrappers, see the ``WrapperChain`` class.
        """

        super(UDPTendrilManager, self).start(acceptor, wrapper)

        # Reset the socket and socket event
        self._sock = None
        self._sock_event.clear()