}
if (networkOfferingId != null) {
if (networkOfferingChanged) {
Transaction txn = Transaction.currentTxn();
txn.start();
network.setNetworkOfferingId(networkOfferingId);
_networksDao.update(networkId, network, newSvcProviders);
// get all nics using this network
// log remove usage events for old offering
// log assign usage events for new offering