Only call default() when no subcommand is given
Only call default() when no subcommand is given

Detect when a subcommand has been invoked and do not call the
default routing in that case.

Signed-off-by: Travis Rhoden <e5e44d6dbac12e32e01c3bb8b67940d8b42e225b@redhat.com>

trhoden/ice-setup,ceph/ice-setup