Got it - yes just this one time - in the previous tries I did switch WiFI off before connecting. Here is the log again with that.
Jun 30 13:58:37 ovpn-server1[662]: 172.58.176.205:15498 VERIFY OK: depth=1, C=TW, ST=TW, L=Taipei, O=ASUS, OU=Home/Office, CN=RT-AX86U,
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