綁定彈性網(wǎng)卡時出現(xiàn)錯誤提示：The number of ENI exceeds the limit(1) for the type of instance you are trying to launch.服務(wù)器的實例規(guī)格是 2核 4GB（共享計算型 n4，ecs.n4.large） ，查看阿里云幫助文檔得知：vCPU核數(shù)不小于4的入門級實例規(guī)格支持彈性網(wǎng)卡（n4 實例規(guī)格）請問如何解決這個問題？