feat: use ethtool ioctl to get link status when netlink api not avail…

…able

when kernel not support ethtool-netlink,we will use ethtool-ioctl to get link status

Signed-off-by: EricMa <307748790@qq.com>
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>

internal/app/machined/pkg/controllers/network/link_status.go

@@ -207,6 +207,20 @@ func (ctrl *LinkStatusController) reconcile(
  if err == nil && permAddr != "" {
  permanentAddr, _ = net.ParseMAC(permAddr) //nolint:errcheck
  }
+
+ if ethState == nil {
+ state, err := ethtoolIoctlClient.LinkState(link.Attributes.Name)
+ if err != nil {
+ logger.Warn("error querying ethtool ioctl link state", zap.String("link", link.Attributes.Name), zap.Error(err))
+ } else {
+ ethState = &ethtool.LinkState{
+ Interface: ethtool.Interface{
+ Index: int(link.Index),
+ },
+ Link: state > 0,
+ }
+ }
+ }
  }
 
  if err = r.Modify(ctx, network.NewLinkStatus(network.NamespaceName, link.Attributes.Name), func(r resource.Resource) error {