Steps to reproduce:
Try to Ctrl+v at the bottom of the paragraph:
Paragraph appears at top.
Ctrl+V again, and text appears at top:
OS: Ubuntu 14.04 (64)
Browser: Google Chrome, Version 58.0.3029.81 (64-bit)
I've tested in Firefox (on same OS), and Copy-Paste works fine there.
Tried with text in browser, text from text editor. Only works with text copied from inside VE.