MACVLAN_FEATURES
features &= (vlan->set_features | ~MACVLAN_FEATURES);
features &= (ALWAYS_ON_FEATURES | MACVLAN_FEATURES);
vlan->set_features = MACVLAN_FEATURES;
dev->features = lowerdev->features & MACVLAN_FEATURES;
dev->vlan_features = lowerdev->vlan_features & MACVLAN_FEATURES;