ifup-routes: Log when using `ip $type replace`

Follow-up to #401

Related: #2034799

(cherry picked from commit a31060817ef8b03814b240442811ea5caa082d1c)

1 files changed, 12 insertions, 2 deletions

diff --git a/network-scripts/ifup-routes b/network-scripts/ifup-routes
index e88ea9d5..5cc9187b 100755
--- a/network-scripts/ifup-routes
+++ b/network-scripts/ifup-routes
@@ -2,6 +2,8 @@
 #
 # adds static routes which go through device $1
 
+. /etc/sysconfig/network-scripts/network-functions
+
 if [ -z "$1" ]; then
     echo $"usage: ifup-routes <net-device> [<nickname>]"
     exit 1
@@ -19,7 +21,12 @@ handle_file () {
             line="$line via $(eval echo '$'GATEWAY$routenum)"
         fi
         line="$line dev $2"
-        /sbin/ip route replace $line
+
+        /sbin/ip route add "$line" || { 
+            net_log $"Failed to add route ${line}, using ip route replace instead." warning
+            /sbin/ip route replace "$line"
+        }
+
         routenum=$(($routenum+1))
     done
 }
@@ -34,7 +41,10 @@ handle_ip_file() {
     fi
     { cat "$file" ; echo ; } | while read line; do
         if [[ ! "$line" =~ $MATCH ]]; then
-            /sbin/ip $proto $type replace $line
+            /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"
+            }
         fi
     done
 }