Step1: Stop the EC2 Instance:
aws ec2 stop-instances --instance-ids INSTANCEID
Step2: Set sriov-net-support to ‘simple’.
aws ec2 modify-instance-attribute --instance-id INSTANCEID --sriov-net-support simple
Once enabled, Enhanced networking cannot be disabled on an EC2 Instance.
Step3: Start the EC2 Instance
aws ec2 start-instances --instance-ids INSTANCEID