Add `net/IFNAME/running` to list of supported conditions
@@ -95,10 +95,11 @@ Built-in conditions:
- `net/route/default`
- `net/<IFNAME>/exist`
- `net/<IFNAME>/up`
+- `net/<IFNAME>/running`
-**Note:** `up` means administratively up, the interface flag `IFF_UP`,
- not link up, `IFF_RUNNING`. This latter conditions is currently not
- implemented by the `plugins/netlink.c` plugin.
+**Note:** `up` means administratively up, the interface flag `IFF_UP`.
+ `running` is the `IFF_RUNNING` flag, meaning operatively up. The
+ difference is that `running` tells if the NIC has link.
Debugging
