add send, recv, and x32 so we can install i386 pkgs on amd64
add send, recv, and x32 so we can install i386 pkgs on amd64

Signed-off-by: Jessica Frazelle <e0d1a862d8f31af605ecef8c92857b8938ba622e@docker.com>

aditirajagopal/docker,aditirajagopal/docker,aditirajagopal/docker