[strongSwan] constraint requires public key authentication, but EAP was used on strongswan android client

[Tobias Brunner]

Hi Tom,

The Android app currently doesn't support mutual EAP authentication.  So
it is always necessary to authenticate the server with pubkey
authentication first.  So instead of setting

>  leftauth=eap-ttls

configure `leftauth=pubkey` (or remove the option as that's the default).

Regards,
Tobias