Update FIB when receiving an IPv6 RS.
Update FIB when receiving an IPv6 RS.

anarkiwi/faucet,gizmoguy/faucet,wackerly/faucet,gizmoguy/faucet,trungdtbk/faucet,faucetsdn/faucet,REANNZ/faucet,REANNZ/faucet,byllyfish/faucet,Bairdo/faucet,mwutzke/faucet,shivarammysore/faucet,anarkiwi/faucet,trentindav/faucet,trungdtbk/faucet,byllyfish/faucet,mwutzke/faucet,Bairdo/faucet,faucetsdn/faucet,wackerly/faucet,trentindav/faucet,shivarammysore/faucet