Policy: AWSVPCTransitGatewayServiceRolePolicy ARN: arn:aws:iam::aws:policy/aws-service-role/AWSVPCTransitGatewayServiceRolePolicy Allowed Actions Actions Services ec2:AssignIpv6Addresses ec2 ec2:CreateNetworkInterface ec2 ec2:CreateNetworkInterfacePermission ec2 ec2:DeleteNetworkInterface ec2 ec2:DescribeNetworkInterfaces ec2 ec2:ModifyNetworkInterfaceAttribute ec2 ec2:UnAssignIpv6Addresses ec2