~$ sudo su
[sudo] m のパスワード:
root@myo:/home/m# exit
exit
~$ ssh root@f.local
The authenticity of host 'f.local (192.168.56.101)' can't be established.
ECDSA key fingerprint is SHA256:Ar1MRtuSt1KnAGp8i8Rdsh8Fpb5kG7YOotB1ZhdDOo8.
Are you sure you want to continue connecting (yes/no)?