Help with SSH and GPG subkey for authentication

[swedebugia]

Hi

I'm quite a beginner to gnupg.

I would like to have a master key used for both encrypting documents and 
mail and a subkey of that used for SSH.

Following this 
https://incenp.org/notes/2015/gnupg-for-ssh-authentication.html

I first set up the keys:

sec  ed25519/CFCD435B280B6CD2
      created: 2019-02-22  expires: 2021-02-21  usage: SC
      trust: ultimate      validity: ultimate
ssb  cv25519/4FD4A5C38C7715BB
      created: 2019-02-22  expires: 2021-02-21  usage: E
ssb  ed25519/B84BE844E27BFE21
      created: 2019-02-22  expires: 2021-02-21  usage: A
[ultimate] (1). swedebugia <swedebugia at riseup.net>

(followed these two guides: 
https://www.gniibe.org/memo/software/gpg/keygen-25519.html and 
https://www.g-loaded.eu/2010/11/01/change-expiration-date-gpg-key/)

I get this after restarting my gpg-agent:

$ gpg-agent --server
OK Pleased to meet you

and in another terminal:

$ ssh-add -l
The agent has no identities.

My environment is this:

$ env|grep SSH
SSH_AUTH_SOCK=/run/user/1000/gnupg/S.gpg-agent.ssh
SSH_AGENT_PID=538
$ gpgconf --list-dirs agent-ssh-socket
/run/user/1000/gnupg/S.gpg-agent.ssh

My configs are attached.

Thanks in advance!

Cheers

swedebugia

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