Http Error (ETIMEDOUT)
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### What issue do you have? Please be as thorough and explicit as possible.



### Details of your setup.
* Homebridge (+ config-ui) - 4.41.0
Raspberry pi
NODE:14.16.1
NPM:7.9.0
Plugin Version: 6.2.1 (issue also occours on 6.2.0)
eWelink Device: Sonoff Mini

### Please paste any relevant logs below.
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From yesterday to today my Homebridge setup started to shown an error (The only thing I dida was updated plugin to v6.2.1): 

I also tried to turn on and off trought eWelink app and worked fine. Follow is the debug log:

[19/04/2021, 10:50:15] [eWeLink] ***** Disabling plugin [v6.2.1]. *****
[19/04/2021, 10:50:15] [eWeLink] ***** Error: connect ETIMEDOUT 52.28.137.33:443
    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1146:16) {
  errno: -110,
  code: 'ETIMEDOUT',
  syscall: 'connect',
  address: '52.28.137.33',
  port: 443,
  config: [Object],
  request: [Writable],
  response: undefined,
  isAxiosError: true,
  toJSON: [Function: toJSON]
}. *****


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