from the regiond logs 

tical]
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:         Traceback (most recent call last):
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/usr/lib/python3/dist-packages/twisted/python/log.py", line 96, in callWithLogger
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             return callWithContext({"system": lp}, func, *args, **kw)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/usr/lib/python3/dist-packages/twisted/python/log.py", line 80, in callWithContext
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             return context.call({ILogContext: newCtx}, func, *args, **kw)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/usr/lib/python3/dist-packages/twisted/python/context.py", line 117, in callWithContext
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             return self.currentContext().callWithContext(ctx, func, *args, **kw)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/usr/lib/python3/dist-packages/twisted/python/context.py", line 82, in callWithContext
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             return func(*args, **kw)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:         --- <exception caught here> ---
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/usr/lib/python3/dist-packages/twisted/internet/asyncioreactor.py", line 138, in _readOrWrite
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             why = method()
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/usr/lib/python3/dist-packages/twisted/internet/unix.py", line 193, in doRead
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             return self._dataReceived(data)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/usr/lib/python3/dist-packages/twisted/internet/tcp.py", line 252, in _dataReceived
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             rval = self.protocol.dataReceived(data)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/maasserver/websockets/websockets.py", line 426, in dataReceived
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             self._parseFrames()
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/maasserver/websockets/websockets.py", line 399, in _parseFrames
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             self._receiver.frameReceived(opcode, data, fin)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/maasserver/websockets/websockets.py", line 480, in frameReceived
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             self._wrappedProtocol.dataReceived(content)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/maasserver/websockets/protocol.py", line 229, in dataReceived
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             self.processMessages()
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/maasserver/websockets/protocol.py", line 254, in processMessages
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             if self.handleRequest(message, msg_type) is None:
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/maasserver/websockets/protocol.py", line 300, in handleRequest
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             d = handler.execute(method, message.get("params", {}))
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/provisioningserver/prometheus/utils.py", line 128, in wrapper
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             result = func(*args, **kwargs)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/provisioningserver/utils/twisted.py", line 128, in wrapper
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             return func(*args, **kwargs)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:           File "/snap/maas/34304/lib/python3.10/site-packages/maasserver/websockets/base.py", line 470, in execute
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:             raise HandlerNoSuchMethodError(method_name)
mar 21 15:39:06 r00ta-ThinkPad-T420 maas-regiond[553101]:         maasserver.websockets.base.HandlerNoSuchMethodError: soft_power_off