They moved out of Bowen Hills during administration. They wouldn't have paid a cent to break the lease because appointed administrators can terminate unfavorable contracts without cost.
(Hence why aircraft lessors accepted fly by hour as administrators could have terminated all of them as they did with then entire A330 fleet.)
Also when Bain divest their investment in
Virgin Australia you will get the comments of the asset stripping done by Bain and they making billions. The asset stripping (as previously commented by a number of others) was already done many years ago. All Bain are doing is playing a waiting game to divest at an appropriate time to make a financial return.
Everyone seems hates private equity, but want their superannuation to maximize. Make come as surprise on where your superannuation funds are invested folks ;-)