code: func (pool *serverPool) connectToTrustedNodes() {
  	//connect to trusted nodes
  	for _, node := range pool.trustedNodes {
  		pool.server.AddTrustedPeer(node)
  		pool.server.AddPeer(node)
  		log.Debug("Added trusted node", "id", node.ID().String())
  	}
  }
docs: // connectToTrustedNodes adds trusted server nodes as static trusted peers.
  //
  // Note: trusted nodes are not handled by the server pool logic, they are not
  // added to either the known or new selection pools. They are connected/reconnected
  // by p2p.Server whenever possible.