eth: don't block if transaction broadcast loop fails (#21255)

* eth: don't block if transaction broadcast loop is returned

* eth: kick out peer if we failed to send message

* eth: address comment

eth/handler.go

@@ -325,7 +325,7 @@ func (pm *ProtocolManager) handle(p *peer) error {
 	}
 
 	// Register the peer locally
-	if err := pm.peers.Register(p); err != nil {
+	if err := pm.peers.Register(p, pm.removePeer); err != nil {
 		p.Log().Error("Ethereum peer registration failed", "err", err)
 		return err
 	}