title: Could not signal service com.apple.WebKit.WebContent
body: <p>I use the Shopify Mobile Buy SDK for iOS and I can't get a callback from their payment web view. For some reason the warnings:</p>
  
  <pre><code>2016-11-25 21:17:25.945267 Drool[3328:799969] Could not signal service com.apple.WebKit.WebContent: 113: Could not find specified service
  
  2016-11-25 21:17:25.977316 Drool[3328:799969] Could not signal service com.apple.WebKit.Networking: 113: Could not find specified service
  
  2016-11-25 21:17:26.105947 Drool[3328:799969] [App] if we're in the real pre-commit handler we can't actually add any new fences due to CA restriction
  </code></pre>
  
  <p>keep showing up and I have no idea why this is happening and if this is the cause of this problem, do any of you know what this is?</p>