Many thanks to antonenkoko for sharing a short clip of Keanu coming down the escalator at the airport on instagram. Screen caps below. The comment with the clip says the following via the google translator:
When the husband thinks he is flying with an ordinary person, and it turns out to Keanu Reeves Old good-hearted Kianu, but so cool!
Many thanks to adamian_anna for sharing her selfie with Keanu on instagram.