Hmm, so it looks like the command may actually be "nova-manage cell_v2 simple_cell_setup, but that requires a transport-url that's evidently different to that set in the nova.conf :\
Hmm, so it looks like the command may actually be "nova-manage cell_v2 simple_cell_setup, but that requires a transport-url that's evidently different to that set in the nova.conf :\