virt-sandbox -c lxc:/// /bin/sh Unable to start sandbox: Failed to create domain: internal error: Child process (PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin LIBVIRT_DEBUG=3 LIBVIRT_LOG_OUTPUTS=3:stderr /usr/libexec/libvirt_lxc --name sandbox --console 22 --console 23 --security=selinux --handshake 26 --background) unexpected fatal signal 11
Works for me on current f20, so I'm assuming this is fixed with latest packages. If not, please reopen.