+ /**
+ * The `PeerManager` informed us that we've disconnected from the peer. We close channels
+ * if the `PeerManager` informed us that it is unlikely we'll be able to connect to the
+ * peer again in the future or if the peer disconnected before we finished negotiating
+ * the channel open. The first case may be caused by incompatible features which our
+ * counterparty, or we, require.
+ */