Fix guest plugin issues

builtin/otherplugin/guest/alwaystrue.go

@@ -46,7 +46,7 @@ func (h *AlwaysTrueGuest) ParentsFunc() interface{} {
 }
 
 func (h *AlwaysTrueGuest) Parents() []string {
-	return []string{"otherplugin", "force", "guest", "platform", "match"} // We just need to have this be the most of all matches
+	return []string{"force", "guest", "platform", "match"} // We just need to have this be the most of all matches
 }
 
 // HasCapabilityFunc implements component.Guest

plugins/guests/openwrt/guest.rb

@@ -1,6 +1,6 @@
 module VagrantPlugins
   module GuestOpenWrt
-    class Guest
+    class Guest < Vagrant.plugin("2", :guest)
       # Name used for guest detection
       GUEST_DETECTION_NAME = "openwrt".freeze