azurelinuxagent/common/osutil/default.py [994:1007]:
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            if return_code == 0:
                return
            logger.warn("failed to restart {0}: return code {1}".format(ifname, return_code))
            if attempt < retry_limit:
                logger.info("retrying in {0} seconds".format(wait))
                time.sleep(wait)
            else:
                logger.warn("exceeded restart retries")

    def check_and_recover_nic_state(self, ifname):
        # TODO: This should be implemented for all distros where we reset the network during publishing hostname. Currently it is only implemented in RedhatOSUtil.
        pass

    def publish_hostname(self, hostname, recover_nic=False):
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azurelinuxagent/common/osutil/redhat.py [256:269]:
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            if return_code == 0:
                return
            logger.warn("failed to restart {0}: return code {1}".format(ifname, return_code))
            if attempt < retry_limit:
                logger.info("retrying in {0} seconds".format(wait))
                time.sleep(wait)
            else:
                logger.warn("exceeded restart retries")

    def check_and_recover_nic_state(self, ifname):
        # TODO: Implement and test a way to recover the network interface for RedhatOSModernUtil
        pass

    def publish_hostname(self, hostname, recover_nic=False):
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