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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 the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
4e:58:ec:76:08:1b:b8:25:1a:57:18:8b:f7:9d:ce:15.
Please contact your system administrator.
Add correct host key in /home/clement/.ssh/known_hosts to get rid of this message.
Offending key in /home/clement/.ssh/known_hosts:4
RSA host key for 10.42.0.3 has changed and you have requested strict checking.
Host key verification failed.