networkd: do not generate MAC for bridge device.

closes https://github.com/systemd/systemd/issues/12558

diff --git a/src/network/netdev/netdev.c b/src/network/netdev/netdev.c
index b6aa860..3f9d1e5 100644 (file)
--- a/src/network/netdev/netdev.c
+++ b/src/network/netdev/netdev.c
@@ -732,7 +732,7 @@ int netdev_load_one(Manager *manager, const char *filename) {
         if (!netdev->filename)
                 return log_oom();
 
-        if (!netdev->mac && netdev->kind != NETDEV_KIND_VLAN) {
+        if (!netdev->mac && !IN_SET(netdev->kind, NETDEV_KIND_VLAN, NETDEV_KIND_BRIDGE)) {
                 r = netdev_get_mac(netdev->ifname, &netdev->mac);
                 if (r < 0)
                         return log_netdev_error_errno(netdev, r,