LM502750840CN

I am confused. The first update (2017-07-20 10:02) says it left for Sidney but a few hours later it was just picked up by post office? then a few days later on 25th/28th it says the parcel left for Sidney again? Thanks!

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Destination Country - Cache Time: 2017-08-02 19:26
2017-07-28 16:22 CNCAND,China, International item has left originating country and is en route to Canada
2017-07-20 22:32 CNCAND,China, International item has left originating country and is en route to Canada
2017-07-20 15:18 510142,China, International item mailed in originating country
Origin Country - Cache Time: 2017-08-02 19:26
2017-07-28 04:40 广州市, 离开广州市 发往悉尼（经转）
2017-07-25 11:29 广州市, 离开广州市 发往广州市（经转）
2017-07-20 15:18 广州市, 广东省邮政速递物流国际业务营业部花地湾揽投站已收件（揽投员姓名：邵国聪,联系电话:）
2017-07-20 10:02 广州市, 离开广州市 发往悉尼（经转）