Getty ImagesAndrew BensonF1 Correspondent in Melbourne2 hours ago392 CommentsThe opening race of Formula 1's new era in Australia left all the drivers, even race winner George Russell, with mixed feelings about what the sport had become.People in F1 went to Melbourne nervous about what the first race of the season would throw up.There was concern about the new driving styles required with the new engines, with their 50-50 split between internal combustion and electrical power.There was anxiety about the potential for danger at the start, with cars getting away at wildly different speeds, about the risk of huge speed differentials…