^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: Protocol major versions differ
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: Unable to negotiate with ([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+: no matching (cipher|host key type|key exchange method) found\.
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: banner exchange: Connection from ([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+: invalid format
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: error: connect_to [^ ]+ port [0-9]+: failed\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: error: connect_to [^ ]+: unknown host \(Temporary failure in name resolution\)
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: error: kex protocol error: type 30 seq 1 \[preauth\]
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: error: kex_exchange_identification: Connection closed by remote host