setup-policy-routes: disable refresh time and prevent restart using exit code 2 on timemout (ENI is invalid)

Author: Dinko Dermendzhiev

bin/setup-policy-routes.sh

@@ -59,7 +59,8 @@ start)
         ((counter++)) || true
         if ((counter >= max_wait)); then
             error "Timed out waiting for sysfs node for ${iface} after $((counter / 10)) seconds"
-            exit 1
+            /usr/bin/systemctl disable --now refresh-policy-routes@${iface}.timer 2>/dev/null || true
+            exit 2
         fi
     done
     debug "Starting configuration for $iface"

systemd/system/policy-routes@.service

@@ -17,4 +17,5 @@ User=root
 ExecStart=/usr/bin/setup-policy-routes %i start
 Restart=on-failure
 RestartSec=1
+RestartPreventExitStatus=2
 KillMode=process