Lxc-create -t download -n blah -- -d centos -r 7 -a amd64

Error creating container blah

dpkg -l|grep lxc
ii liblxc1 2.0.11-0ubuntu1~16.04.3 amd64 Linux Containers userspace tools (library)
ii lxc 2.0.11-0ubuntu1~16.04.3 all Transitional package for lxc1
ii lxc-common 2.0.11-0ubuntu1~16.04.3 amd64 Linux Containers userspace tools (common tools)
ii lxc-dev 2.0.11-0ubuntu1~16.04.3 amd64 Linux Containers userspace tools (development)
ii lxc1 2.0.11-0ubuntu1~16.04.3 amd64 Linux Containers userspace tools
ii lxcfs 2.0.8-0ubuntu1~16.04.2 amd64 FUSE based filesystem for LXC
ii python3-lxc 2.0.11-0ubuntu1~16.04.3 amd64 Linux Containers userspace tools (Python 3.x bindings)

Any suggestions?
Why just Error… without details?