[douglasbrito@home ~]$ ssh nemo@192.168.2.15
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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:IFnovX2Q8jxvBCIcv8rOhrtvCPvLAtNwR7YbH5fME6Y.
Please contact your system administrator.
Add correct host key in /home/douglasbrito/.ssh/known_hosts to get rid of this message.
Offending ED25519 key in /home/douglasbrito/.ssh/known_hosts:1
ED25519 host key for 192.168.2.15 has changed and you have requested strict checking.
Host key verification failed.
[douglasbrito@home ~]$