$ ssh username@192.168.80.131
Unable to negotiate with 192.168.80.131 port 22: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,d...
$ ssh 192.168.0.100
Unable to negotiate with 192.168.0.100 port 22: no matching host key type found. Their offer: rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256...