You're on a 32bit system (i386) and trying to run a 64bit image (amd64). Systems that aren't 64bit are officially unsupported upstream, so to use one, you'll have to make your own images (including the base images), or find some that someone else has made with the appropriate architecture.
You're on a 32bit system (i386) and trying to run a 64bit image (amd64). Systems that aren't 64bit are officially unsupported upstream, so to use one, you'll have to make your own images (including the base images), or find some that someone else has made with the appropriate architecture.