Not able to connect to vault from ssh-client VM after setting up Split SSH

[apparatus]

In the Template of Your AppVM vault:

Split SSH

Split SSH implements a concept similar to having a smart card with your private SSH keys, except that the role of the “smart card” is played by another Qubes AppVM. This Qubes setup allows you to keep your SSH private keys in a vault VM (vault) while using an SSH Client VM (ssh-client) to access your remote server. This is done by using Qubes’s qrexec framework to connect a local SSH Agent socket from your SSH Client VM to the SSH Agent socket within the vault VM. This way the compromise of the …