code: func (o HostNetworkSystem) UpdatePhysicalNicLinkSpeed(ctx context.Context, device string, linkSpeed *types.PhysicalNicLinkInfo) error {
  	req := types.UpdatePhysicalNicLinkSpeed{
  		This:      o.Reference(),
  		Device:    device,
  		LinkSpeed: linkSpeed,
  	}
  
  	_, err := methods.UpdatePhysicalNicLinkSpeed(ctx, o.c, &req)
  	if err != nil {
  		return err
  	}
  
  	return nil
  }
docs: // UpdatePhysicalNicLinkSpeed wraps methods.UpdatePhysicalNicLinkSpeed