text: Title: Internet not detect
  Body: ## Mycodo Issue Report:
    - Specific Mycodo Version: 7.4.2
   
  #### Problem Description
  Please list: Internet is not detected even if internet is accessible.
  
  ![image](https://user-images.githubusercontent.com/6541280/56763621-dc357600-6770-11e9-9ab6-b10aeee222f2.png)
  
  Eth0 connection is straight to a laptop to interface with Mycodo. 
  Wlan0 connection is the one with access to the internet. 
  
  ### Errors
  
  ![image](https://user-images.githubusercontent.com/6541280/56763484-8f519f80-6770-11e9-885c-48fba1b9b0b4.png)
  ![image](https://user-images.githubusercontent.com/6541280/56763542-b0b28b80-6770-11e9-9160-8d8c64527a5d.png)
  
  ### Additional Notes
  Routing table has Wlan0 as the main gateway.
  ![image](https://user-images.githubusercontent.com/6541280/56763805-3cc4b300-6771-11e9-9bc3-489acb7de630.png)
  