Ucidef_set_interface_macaddr - how to set mac for physical interface


is it possible to set a mac to eth0 and eth1 with a command like ucidef_set_interface_macaddr? I cannot get it to work with ucidef_set_interface_macaddr. In the following example It will be set to the virtual interfaces like eth0.X only. It is necessary to get a stable MAC for e.g. Windows network detection and other mac address derivation working...