Guzzle 6不适用于TLS1.2

Question

A little background first: for some reason, making curl calls inside my Vagrant machine works only if I use --tlsv1.2 option, without that I get:

cURL error 35: SSL connect error (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

So I've put that value into configuration file, ~/.curlrc, so every time I run curl https://myapi.com on the command line that option is used automatically, and it works fine.

However, I am currently playing with Guzzle 6, which uses curl to make API calls in the background. I assumed that curl that Guzzle uses will use the same configuration file ~/.curlrc, but seems not because I'm getting again: cURL error 35: SSL connect error.

This is the code that I'm using:

$client = new HttpClient(['defaults' => [
            'verify' => false
        ]]);
        $response = $client->request('GET', 'https://myapi.com', ['curl' => [
            CURLOPT_SSLVERSION => 6,
        ]]);

As you can see, I even tried to pass TLSV1.2 value(value 6 is mapped to TLSV1.2 according to curl php documentation) to curl, but still nothing. Anybodu have an idea what could be wrong here?

EDIT: yeah, just confirmed that Guzzle uses some other curl binary. I moved the original one to another location and can't no longer accessed it from the command line, but after that Guzzle still returns the same error.