TLS with transport client fails with ES 7.5

We are using the transport client with TLS enabled and without mutual authentication. This worked fine with ES 6.8.3, but after upgrading to 7.5, we receive an error "No cipher suites in common".

This is the configuration on the server side:

    port: 9500
      type: client 
      ssl.client_authentication: none

And this is the output of openssl when trying to connect:

140359740032256:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:ssl/record/rec_layer_s3.c:1543:SSL alert number 40
no peer certificate available
No client certificate CA names sent
SSL handshake has read 7 bytes and written 327 bytes
Verification: OK
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)

Maybe the "ssl.client_authentication" switch is not working as intended anymore. Did anything change in regards of TLS with ES 7.x?

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