Same Problem here
OpenVPN Server log:
openvpn[]: 91.xx.xx.xx:1194 TLS: Initial packet from [AF_INET]91.xx.xx.xx:1194, sid=81e8d10a
openvpn[]: 91.xx.xx.xx:1194 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
openvpn[]: 91.xx.xx.xx:1194 TLS Error: TLS handshake failed
openvpn[]: 91.xx.xx.xx:1194 SIGUSR1[soft,tls-error] received, client-instance restarting