def _purge_provider_fw_rules(self):
        self.iptables.ipv4['filter'].empty_chain('provider')
        if FLAGS.use_ipv6:
            self.iptables.ipv6['filter'].empty_chain('provider')
Remove all rules from the provider chains.
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/virt/libvirt/firewall.py/IptablesFirewallDriver._purge_provider_fw_rules