iface_has_host: Handle VLAN interfaces too

VLAN interface always has host. And skip HOST variable
in VLAN's configs.

alterator-net-functions/alterator-net-functions

@@ -468,8 +468,16 @@ iface_has_host()
 	local name="$1"; shift
 	local ifacesdir="${1:-$etcnet_iface_dir}"
 
+	# VLAN interface always has host
+	if [ "$(read_iface_option "$ifacesdir/$name" TYPE)" = "vlan" ]; then
+		return 0
+	fi
+
 	for i in $(find "$ifacesdir" -maxdepth 2 -mindepth 2 -name options); do
 		if egrep -qs "^HOST=[\"']?([[:alnum:]]+[[:blank:]])*$name([[:blank:]][[:alnum:]]+)*[\"']?[[:blank:]]*$" $i; then
+			if [ "$(read_iface_option "${i%/options}" TYPE)" = "vlan" ]; then
+				continue
+			fi
 			return 0
 		fi
 	done