nim: Exclude WiFi interfaces from last resort list

This commit excludes from the last resort list the  WiFi interfaces
since no WiFi Network configuration is provided, so any attempt of
connection through these interfaces will always fail.

Signed-off-by: Renê de Souza Pinto <[email protected]>

pkg/pillar/cmd/nim/nim.go

@@ -1057,6 +1057,7 @@ func (n *nim) includeLastResortPort(ifAttrs netmonitor.IfAttrs) bool {
 	exclude := strings.HasPrefix(ifName, "vif") ||
 		strings.HasPrefix(ifName, "nbu") ||
 		strings.HasPrefix(ifName, "nbo") ||
+		strings.HasPrefix(ifName, "wlan") ||
 		strings.HasPrefix(ifName, "keth")
 	if exclude {
 		return false