Add debug ouput to onmetal plugin

Author: damyan

plugins/onmetal/plugin.go

@@ -27,7 +27,7 @@ func setup6(args ...string) (handler.Handler6, error) {
 }
 
 func handler6(req, resp dhcpv6.DHCPv6) (dhcpv6.DHCPv6, bool) {
-	//log.Printf("received DHCPv6 packet: %s", req.Summary())
+	log.Printf("Received DHCPv6 request: %s", req.Summary())
 
 	if !req.IsRelay() {
 		log.Printf("Received non-relay DHCPv6 request. Dropping.")
@@ -62,7 +62,7 @@ func handler6(req, resp dhcpv6.DHCPv6) (dhcpv6.DHCPv6, bool) {
 		}},
 	})
 
-	//log.Printf("responding with this packet:\n%s", resp.Summary())
+	log.Printf("Sent DHCPv6 response:\n%s", resp.Summary())
 
 	return resp, false
 }