事由：Provider will migrate existing traffic in order to improve
reliability and prevent future service interruptions to customer services.
期間：2018-06-19 12:00~2018-06-19 18:00(Taiwan Time);2018-06-19
04:00:00~2018-06-19 10:00:00(UTC/GMT)
預計中斷時間：1小時以內
影響地點：美國Los Angel–Chicago
