In its annual poll of NBA Insiders, ESPN reports that an overwhelming percentage of NBA experts polled — 83.3 percent — believe that Kevin Durant will still be a Brooklyn Net on Opening Night two months from this week. And no surprise, the same poll puts the Nets atop the list of candidates for Team Turmoil and predicts the Nets will win only 40 games next season, four fewer than last year. And only one individual Net picks up votes for any major award: Ben Simmons got 5.6 percent of the votes for Defensive Player of the Year. It’s all…