docker - error fetching ubuntu packages

If you ever see the following error and you are using boot2docker, run "boot2docker restart"

E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/libe/libevent/libevent-2.0-5_2.0.21-stable-1ubuntu1.14.04.1_amd64.deb  Could not resolve 'archive.ubuntu.com'

E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/m/memcached/memcached_1.4.14-0ubuntu9_amd64.deb  Could not resolve 'archive.ubuntu.com'

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?