for reference:

/usr/local/etc/rc.sshd: The command '/usr/local/bin/ssh-keygen -t rsa1 -N "" -f /usr/local/etc/ssh/ssh_host_key' returned exit code '1', the output was 'Saving key "/usr/local/etc/ssh/ssh_host_key" failed: unknown or unsupported key type Generating public/private rsa1 key pair.'