Dry hopped brown ale - infected?

[NunoAraujo]

So my last batch was an ABA that I dry hopped (with cascade). I bottled it about 5 days ago, but now the top of the bottles looks a bit hazy. Could this be just a mini-krausen, combined with the hop oils, or could it be an actual infection? There isn't any clearly visible fungi though...

 

[cullen]

I suspect you won't know for sure until you sample it.