services: dhcp-client: Ignore interfaces that are not ARP capable.

* gnu/services/networking.scm (dhcp-client-service-type): Filter interfaces that do not support the ARP protocol.
2019-05-09 19:53:05 +02:00 · 2019-05-09 19:53:05 +02:00 · 6c2180f5d0
parent 5f5499d684
commit 6c2180f5d0
1 changed files with 3 additions and 1 deletions
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@ -190,7 +190,9 @@ fe80::1%lo0 apps.facebook.com\n")
                 ;; interfaces are typically down at this point.  Thus we perform
                 ;; our own interface discovery here.
                 (define valid?
-                   (negate loopback-network-interface?))
+                   (lambda (interface)
+                     (and (arp-network-interface? interface)
+                          (not (loopback-network-interface? interface)))))
                 (define ifaces
                   (filter valid? (all-network-interface-names)))