Send health service checks for containers.

def _send_container_healthcheck_sc(self, containers_by_id):
        """Send health service checks for containers."""
        for container in containers_by_id.itervalues():
            healthcheck_tags = self._get_tags(container, HEALTHCHECK)
            match = False
            for tag in healthcheck_tags:
                for rule in self.whitelist_patterns:
                    if re.match(rule, tag):
                        match = True

                        self._submit_healthcheck_sc(container)
                        break

                if match:
                    break