meta-google: gbmc-bridge: Bridge routers are lower priority

Default routes should be preferred by external means before going over
the bridge. This is important for nodes with multiple paths.

Change-Id: If8e1afd57001d6eed36d5b5856c111598d325944
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in b/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in
index a2bfc0d..feaebda 100644
--- a/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in
+++ b/meta-google/recipes-google/networking/gbmc-bridge/-bmc-gbmcbr.network.in
@@ -10,5 +10,6 @@
 IPv6PrefixDelegation=yes
 [IPv6AcceptRA]
 DHCPv6Client=false
+RouteMetric=1056
 [IPv6PrefixDelegation]
 RouterLifetimeSec=0