sendHello(nodeID) {
		const node = this.getNode(nodeID);
		if (!node)
			return this.Promise.reject(
				new MoleculerServerError(`Missing node info for '${nodeID}'`)
			);

		const localNode = this.nodes.localNode;
		const packet = new P.Packet(P.PACKET_GOSSIP_HELLO, nodeID, {
			host: this.getNodeAddress(localNode),
			port: localNode.port
		});

		if (this.GOSSIP_DEBUG)
			this.logger.info(
				kleur.bgCyan().black(`----- HELLO ${this.nodeID} -> ${nodeID} -----`),
				packet.payload
			);

		return this.publish(packet).catch(() => {
			this.logger.debug(`Unable to send Gossip HELLO packet to ${nodeID}.`);
		});
	}
Send a Gossip Hello to the remote node

@param {String} nodeID