'Enables a VPC for ClassicLink. You can then link EC2-Classic instances
to your ClassicLink-enabled VPC to allow communication over private IP
addresses. You cannot enable your VPC for ClassicLink if any of your
VPC\'s route tables have existing routes for address ranges within the
10.0.0.0/8 IP address range, excluding local routes for VPCs in the
10.0.0.0/16 and 10.1.0.0/16 IP address ranges.
:type vpc_id: str
:param vpc_id: The ID of the VPC.
:type dry_run: bool
:param dry_run: Set to True if the operation should not actually run.
:rtype: bool
:return: True if successful'

def enable_vpc_classic_link(self, vpc_id, dry_run=False):

    params = {'VpcId': vpc_id}
    if dry_run:
        params['DryRun'] = 'true'
    return self.get_status('EnableVpcClassicLink', params)
