Suppress accept_connection2 asyncio log spew

electrumx/lib/server_base.py

@@ -29,6 +29,7 @@ class ServerBase(object):
     '''
 
     SUPPRESS_MESSAGE_REGEX = re.compile('SSH handshake')
+    SUPPRESS_TASK_REGEX = re.compile('accept_connection2')
     PYTHON_MIN_VERSION = (3, 6)
 
     def __init__(self, env):
@@ -68,6 +69,8 @@ class ServerBase(object):
         message = context.get('message')
         if message and self.SUPPRESS_MESSAGE_REGEX.match(message):
             return
+        if self.SUPPRESS_TASK_REGEX.match(repr(context.get('task'))):
+            return
         loop.default_exception_handler(context)
 
     async def _main(self, loop):