Notification problem Mate 8 + LG watch Urbane

hi, i just bought an international Mate 8 and i try to use it with a Lg watch Urbane, the problem that im facing is that sometimes i dont get notifications from Whatsapp from my phone on my watch, sometimes it works and sometimes not ( havent figured out a pattern). this problem is only for whatsapp, all other apps receive notifications on watch.

does someone else have a problem with android wear devices and mate 8 in notification area? or a solution to my problem?

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