The Florida Panthers finally felt their road frustrations bubble up Sunday. They lost the Seattle Kraken — an expansion team with the third-worst record in the league — and interim coach Andrew Brunette called their effort, particularly at the starts of games during this five-game road trip, “unacceptable.” He took it, in part, upon himself to find a solution, so he reshuffled the Panthers lines and found some results with three goals in the first period. There will still be plenty to pick over from the finale of its longest road trip of the season so far, but Florida will return to Sunrise wi…