$ /home2/yen/sysroot/usr/local/bin/openssl s_client -connect httpbin.org:443
CONNECTED(00000005)
140243072000064:error:141B306E:SSL routines:tls_collect_extensions:bad extension:ssl/statem/extensions.c:318:
140243072000064:error:141710E3:SSL routines:tls_process_server_hello:parse tlsext:ssl/statem/statem_clnt.c:1312:
---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 66 bytes and written 183 bytes
Verification: OK
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : 0000
    Session-ID: 
    Session-ID-ctx: 
    Master-Key: 
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    Start Time: 1482412929
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: no
---