^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: (error: )?Received disconnect from
-^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: (packet_write_wait|ssh_dispatch_run_fatal): Connection from ([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+: Broken pipe \[preauth\]
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: (packet_write_wait|ssh_dispatch_run_fatal): Connection from ([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+: (Broken pipe|bignum is negative) \[preauth\]
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: Bad packet length [0-9]+\. \[preauth\]
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: Bad protocol version identification
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: Connection (closed|reset) by ((authenticating|invalid) user .+)?([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+ \[preauth\]
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: Failed password for invalid user .+from ([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: Invalid user .+from ([0-9]{1,3}\.){3}[0-9]{1,3}
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: PAM service\(sshd\) ignoring max retries
+^\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 (host key type|key exchange method) found\.
^\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 found
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ sshd\[[0-9]+\]: error: kex protocol error: type 30 seq 1 \[preauth\]