Ignore another ssh port scan error

files/ssh/etc/filter-syslog/ssh

@@ -32,6 +32,7 @@ sshd: /^Bad protocol version identification 'GET / HTTP/1.1' from UNKNOWN$/
 sshd: /^Connection closed by (UNKNOWN|[:a-f\d.]+)$/
 sshd: /^Did not receive identification string from ([:a-f\d.]+|UNKNOWN)$/
 sshd: /^Protocol major versions differ for ([:a-f\d.]+|UNKNOWN): /
+sshd: /^dispatch_protocol_error: type \d+ seq \d+ \[preauth\]$/
 sshd: /^fatal: Read from socket failed: Connection reset by peer/
 sshd: /^fatal: Timeout before authentication for [:a-f\d.]+$/
 sshd: /^(pam_unix\(sshd:auth\)|\(pam_unix\)):? check pass; user unknown$/