How to disable only TLS v1 & TLS v1.1 on specific virtual server

try this irule:

when CLIENT_ACCEPTED {
    SSL::profile vip_ssl_no_TLSv1
}

 where vip_ssl_no_TLSv1 is another SSL profile  where you disable whatever you want.

I tested with this cipher string : DEFAULT:!TLSv1:!TLSv1_1