network: disable LinkLocalAddressing= and IPv6AcceptRA= on bridge slaves by default

If they are not explicitly configured, then let's disable these
functionality on bridge slaves.

diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index a83df49038aa8f238594969cfcab27681636ac33..dff542e1940797ab6b933a576710ddd88c424a93 100644 (file)
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -141,7 +141,10 @@ static int network_verify(Network *network) {
         }
 
         if (network->link_local < 0)
-                network->link_local = ADDRESS_FAMILY_IPV6;
+                network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6;
+
+        if (network->ipv6_accept_ra < 0 && network->bridge)
+                network->ipv6_accept_ra = false;
 
         /* IPMasquerade=yes implies IPForward=yes */
         if (network->ip_masquerade)