private void dispatchConnect(final PeerConnection connection) {
    connectSubscribers.forEach(c -> c.onConnect(connection));
  }
Connect to the peer

@param peer The peer to connect to
@return A future that will resolve to the existing or newly-established connection with this
    peer.
ethereum/p2p/src/main/java/org/hyperledger/besu/ethereum/p2p/rlpx/RlpxAgent.java