title: WebDriverException: chrome not reachable
body: <p>im using:
  chrome 43
  chromedriver 2.15.322448
  remote server on linux ubuntu</p>
  
  <p>It was working fine before, but I killed all chromedriver and google-chrome processes. 
  Now im getting :
  Starting ChromeDriver 2.15.322448 (52179c1b310ec1797c81ea9a2326839860b7d3) on port 31153
  Only local connections are allowed.</p>
  
  <p><strong>org.openqa.selenium.WebDriverException: chrome not reachable</strong></p>
  
  <p>what can be reason ?</p>