6lbr-ifup: moved 'ip addr flush ethxx' inside ETH_JOIN_BRIDGE condition
6lbr-ifup: moved 'ip addr flush ethxx' inside ETH_JOIN_BRIDGE condition

bluerover/6lbr,bluerover/6lbr,bluerover/6lbr,bluerover/6lbr,bluerover/6lbr,bluerover/6lbr,bluerover/6lbr