Chrome crashes computer when I insert USB Ethernet adapter
It's the realtek drivers which cause the hang which the USB ethernet adaptor tries to use and Chrome seems to get mangled into it.  If you're running the latest Sierra you probably don't actually need these installed.  You can either remove them both through /library/extensions RTL815 or run the scripted uninstaller that comes with the package from 
http://www.realtek.com.tw/Downloads/downloadsView.aspx?Langid=1&amp;PNid=14&amp;PFid=55&amp;Level=5&amp;Conn=4&amp;DownTypeID=3&amp;GetDown=false