docs: private void logIfConnectionToEndpointIsMissing(long now, Member member) {
          long heartbeatTime = heartbeatFailureDetector.lastHeartbeat(member);
          if ((now - heartbeatTime) >= heartbeatIntervalMillis * HEART_BEAT_INTERVAL_FACTOR) {
              Connection conn = node.getEndpointManager(MEMBER).getOrConnect(member.getAddress());
              if (conn == null || !conn.isAlive()) {
                  logger.warning("This node does not have a connection to " + member);
              }
          }
      }