BigIP: Silly Reason for Connection error: ssl_hs_rxhello:7295: unsupported version (70)
Quick note here to always check your Source Address Translation setting on your virtual server since you can log a Connection error: ssl_hs_rxhello:7295: unsupported version (70) in curl when connecting to a VIP and spend quite a bit of time thinking that it's ssl related when it really isn't.
You may also see: SSLRead() return error -9806 in curl.