network/netdev: make MACAddress= take 'none' to suppress generating persistent hardware address

This is mostly equivalent to .link file's MACAddressPolicy=none.
2021-11-28 12:04:55 +09:00
parent 5dcc5b1a11
commit aaa5ca57ae
5 changed files with 46 additions and 7 deletions
@@ -31,7 +31,7 @@ static int netdev_veth_fill_message_create(NetDev *netdev, Link *link, sd_netlin
                        return log_netdev_error_errno(netdev, r, "Failed to add netlink interface name: %m");
        }

-        if (v->hw_addr_peer.length > 0) {
+        if (v->hw_addr_peer.length > 0 && !hw_addr_equal(&v->hw_addr_peer, &HW_ADDR_NULL)) {
                r = netlink_message_append_hw_addr(m, IFLA_ADDRESS, &v->hw_addr_peer);
                if (r < 0)
                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_ADDRESS attribute: %m");