Ign:1 http://dl.google.com/linux/chrome/deb stable InRelease        
Hit:2 http://archive.canonical.com/ubuntu xenial InRelease          
Hit:3 http://us.archive.ubuntu.com/ubuntu xenial InRelease                     
Hit:4 http://dl.google.com/linux/chrome/deb stable Release                     
Hit:5 http://archive.canonical.com xenial InRelease                            
Get:7 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [94.5 kB]
Hit:8 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease           
Get:9 http://us.archive.ubuntu.com/ubuntu xenial-security InRelease [94.5 kB]  
Fetched 189 kB in 3s (58.8 kB/s)    
Reading package lists... Done
N: Ignoring file 'dropbox.list.save.1' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'dropbox.list.save.2' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature by key 4CCA1EAF950CEE4AB83976DCA040830F7FAC5991 uses weak digest algorithm (SHA1)
W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature by key 3B068FB4789ABE4AEFA3BB491397BC53640DB551 uses weak digest algorithm (SHA1)