ifup-routes: Use `ip replace` only on type `route`

Since other types might fail due to `replace` to be undefined.

(cherry picked from commit 28f50e5582f3641afac795e0e009fd22875b8dbb)

Related: #2040679

1 files changed, 6 insertions, 4 deletions

diff --git a/network-scripts/ifup-routes b/network-scripts/ifup-routes
index 5cc9187b..4a90ad07 100755
--- a/network-scripts/ifup-routes
+++ b/network-scripts/ifup-routes
@@ -41,10 +41,12 @@ handle_ip_file() {
     fi
     { cat "$file" ; echo ; } | while read line; do
         if [[ ! "$line" =~ $MATCH ]]; then
-            /sbin/ip $proto "$type" add "$line" || { 
-                net_log $"Failed to add ${type} ${line}, using ip ${type} replace instead." warning
-                /sbin/ip $proto "$type" replace "$line"
-            }
+            /sbin/ip $proto "$type" add "$line"
+
+            if [ $? != 0 ] && [ "$type" == "route" ] ; then
+                net_log $"Failed to add route ${line}, using ip route replace instead." warning
+                /sbin/ip $proto route replace "$line"
+            fi
         fi
     done
 }