As the title says, 11.0 U4 fails to check for updates. 
	
		
			
		
		
	
			
			Code:
Update server could not be reached
<urlopen error [Errno 65] No route to host>
Traceback
Traceback (most recent call last):
File "/usr/local/lib/python3.6/urllib/request.py", line 1318, in do_open
encode_chunked=req.has_header('Transfer-encoding'))
File "/usr/local/lib/python3.6/http/client.py", line 1239, in request
self._send_request(method, url, body, headers, encode_chunked)
File "/usr/local/lib/python3.6/http/client.py", line 1285, in _send_request
self.endheaders(body, encode_chunked=encode_chunked)
File "/usr/local/lib/python3.6/http/client.py", line 1234, in endheaders
self._send_output(message_body, encode_chunked=encode_chunked)
File "/usr/local/lib/python3.6/http/client.py", line 1026, in _send_output
self.send(msg)
File "/usr/local/lib/python3.6/http/client.py", line 964, in send
self.connect()
File "/usr/local/lib/python3.6/http/client.py", line 936, in connect
(self.host,self.port), self.timeout, self.source_address)
File "/usr/local/lib/python3.6/socket.py", line 722, in create_connection
raise err
File "/usr/local/lib/python3.6/socket.py", line 713, in create_connection
sock.connect(sa)
OSError: [Errno 65] No route to host
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "./freenasUI/system/views.py", line 1424, in update_check
train=updateobj.get_train(),
File "./freenasUI/system/models.py", line 625, in get_train
trains = conf.AvailableTrains() or []
File "/usr/local/lib/freenasOS/Configuration.py", line 1064, in AvailableTrains
fileref = self.TryGetNetworkFile(file=TRAIN_FILE, reason="FetchTrains")
File "/usr/local/lib/freenasOS/Configuration.py", line 787, in TryGetNetworkFile
raise url_exc
File "/usr/local/lib/freenasOS/Configuration.py", line 761, in TryGetNetworkFile
furl = opener.open(req, timeout=30)
File "/usr/local/lib/python3.6/urllib/request.py", line 526, in open
response = self._open(req, data)
File "/usr/local/lib/python3.6/urllib/request.py", line 544, in _open
'_open', req)
File "/usr/local/lib/python3.6/urllib/request.py", line 504, in _call_chain
result = func(*args)
File "/usr/local/lib/python3.6/urllib/request.py", line 1346, in http_open
return self.do_open(http.client.HTTPConnection, req)
File "/usr/local/lib/python3.6/urllib/request.py", line 1320, in do_open
raise URLError(err)
urllib.error.URLError: <urlopen error [Errno 65] No route to host>