Lymantriid caterpillar?

Lymantriid caterpillar?

Observation - Lymantriid caterpillar?. Description: About 30 cm long, feeding on Chinese bramble. I think I have seen these caterpillars in my garden before, on different plants.

About 30 cm long, feeding on Chinese bramble. I think I have seen these caterpillars in my garden before, on different plants.