remove unrelated kvm stuff

Author: prezha

Diff for: pkg/drivers/kvm/network.go

@@ -477,20 +477,19 @@ func ifListFromAPI(conn *libvirt.Connect, domain string) ([]libvirt.DomainInterf
 	}
 	defer func() { _ = dom.Free() }()
 
-	// check lease first, then arp
-	// ref: https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainInterfaceAddresses
-	ifs, err := dom.ListAllInterfaceAddresses(libvirt.DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE)
-	if err == nil && len(ifs) > 0 {
-		return ifs, nil
-	}
-	if err != nil {
-		log.Debugf("failed listing network interface addresses of domain %s using lease (will try arp): %v", domain, err)
-	} else if len(ifs) == 0 {
-		log.Debugf("no network interface addresses found for domain %s using lease (will try arp)", domain)
-	}
-	ifs, err = dom.ListAllInterfaceAddresses(libvirt.DOMAIN_INTERFACE_ADDRESSES_SRC_ARP)
-	if err != nil {
-		return nil, fmt.Errorf("failed listing network interface addresses of domain %s using arp: %w", domain, err)
+	ifs, err := dom.ListAllInterfaceAddresses(libvirt.DOMAIN_INTERFACE_ADDRESSES_SRC_ARP)
+	if ifs == nil {
+		if err != nil {
+			log.Debugf("failed listing network interface addresses of domain %s(source=arp): %w", domain, err)
+		} else {
+			log.Debugf("No network interface addresses found for domain %s(source=arp)", domain)
+		}
+		log.Debugf("trying to list again with source=lease")
+
+		ifs, err = dom.ListAllInterfaceAddresses(libvirt.DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE)
+		if err != nil {
+			return nil, fmt.Errorf("failed listing network interface addresses of domain %s(source=lease): %w", domain, err)
+		}
 	}
 
 	return ifs, nil