3.9 から 3.11 にあげたところ、今度は distinguished_name が無いと怒られてしまいました。

[1/2] Generating ca_key.pem with a custom command
FAILED: ca_key.pem ca_cert.pem ca_cert.srl
/usr/bin/openssl req -batch -newkey ec:ecprm0.pem -sha256 -nodes -subj '/C=JP/ST=Tokyo/O=Snake Oil Company/CN=Snake Oil company Root Certificate Authority' -keyout ca_key.pem -out ca_cert.pem -x509 -days 3650 -extensions v3_ca -config ../test/ssl.conf
Generating an EC private key
writing new private key to 'ca_key.pem'
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unable to find 'distinguished_name' in config
problems making Certificate Request
6904790237184:error:0E06D06C:configuration file routines:NCONF_get_string:no value:/usr/src/crypto/openssl/crypto/conf/conf_lib.c:273:group=req name=distinguished_name
ninja: build stopped: subcommand failed.
INFO: autodetecting backend as ninja