def METHOD_NAME(self, entry):
    if 'router_guest_ip6' in entry.keys() and entry['router_guest_ip6']:
        cidr_size = entry['router_guest_ip6_cidr'].split("/")[-1]
        full_addr = entry['router_guest_ip6_gateway'] + "/" + cidr_size
        CsHelper.execute("ip -6 addr del %s dev %s" % (full_addr, entry['device']))
        if 'router_ip6' in entry.keys() and entry['router_ip6']:
            full_public_addr = entry['router_ip6'] + "/" + cidr_size
            CsHelper.execute("ip -6 addr del %s dev %s" % (full_public_addr, VPC_PUBLIC_INTERFACE))
    else:
        return