reinstall: host SSH keys

[omertuc]

Should the new system-reinstall-bootc binary offer the user a choice to bring over their host SSH keys? To avoid this after trying to SSH:

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@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
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IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the ED25519 key sent by the remote host is
SHA256:abbytb3/57kn0WP+eWbspQAwgaYRFD64CmXugHXrO6U.
Please contact your system administrator.
Add correct host key in /home/omer/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /home/omer/.ssh/known_hosts:19
Host key for 192.168.124.23 has changed and you have requested strict checking.
Host key verification failed.