feat: Suppres shutdown messages (#1089)

from typing import Any, Deque, Dict, Optional, Tuple, cast

from qemu.qmp import QMPClient

from qemu.qmp.protocol import StateError

log = logging.getLogger(__name__)

                try:

                    await self._update_balloon()

                except Exception as e:

                    if isinstance(e, (ConnectionError, BrokenPipeError, OSError)):

                    if isinstance(e, (ConnectionError, BrokenPipeError, OSError, StateError)):

                        if self._stop.is_set():

                            break

                        log.warning("QMP connection lost: %s. Reconnecting...", e)

                        await self._qmp_reconnect()

                    else:

            if self.event_task:

                self.event_task.cancel()

            if self.qmp:

                qmp_logger = logging.getLogger("qemu.qmp")

                prev_level = qmp_logger.level

                qmp_logger.setLevel(logging.WARNING)

                try:

                    await self.qmp.disconnect()

                finally:

                    qmp_logger.setLevel(prev_level)

# ==========================================================

# Main Execution