When using ssh-proxycommand, if only host keys found are expired or
revoked, then output loud warning with prompt, or fail hard.
-File bug against seahorse about how, when creating new primary keys,
- it presents option for "RSA (sign only)" but then creates an "esca"
- key.
-
File bug against enigmail about lack of ability to create subkeys.
Test and document what happens when any filesystem that the