35network-legacy: discard pointless RTNETLINK message

This command prints

    RTNETLINK answers: Network is unreachable

to stderr if IP is not assigned yet, but that's the thing we are
checking for, so there's no point in showing the message.

diff --git a/modules.d/35network-legacy/ifup.sh b/modules.d/35network-legacy/ifup.sh
index e5690dbec2496e7d6a85c98baeb31e868afd6a8d..3509d7a95e3c0f7868389bd26cb338712febb4da 100755 (executable)
--- a/modules.d/35network-legacy/ifup.sh
+++ b/modules.d/35network-legacy/ifup.sh
@@ -135,7 +135,7 @@ do_static() {
         return 1
     fi
 
-    ip route get "$ip" | {
+    ip route get "$ip" 2>/dev/null | {
         read a rest
         if [ "$a" = "local" ]; then
             warn "Not assigning $ip to interface $netif, cause it is already assigned!"