^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ sshd(-session)?\[[0-9]+\]: banner exchange: Connection from ([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+: (Broken pipe|could not read protocol version|invalid format)
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ sshd(-session)?\[[0-9]+\]: dispatch_protocol_error: type [0-9]+ seq [0-9]+ \[preauth\]
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ sshd(-session)?\[[0-9]+\]: drop connection #[0-9]+ from \[(UNKNOWN|([0-9]{1,3}\.){3}[0-9]{1,3})\]:-?[0-9]+ on \[([0-9]{1,3}\.){3}[0-9]{1,3}\]:22 (past )?Max[Ss]tartups
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ sshd(-session)?\[[0-9]+\]: banner exchange: Connection from ([0-9]{1,3}\.){3}[0-9]{1,3} port [0-9]+: (Broken pipe|could not read protocol version|invalid format)
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ sshd(-session)?\[[0-9]+\]: dispatch_protocol_error: type [0-9]+ seq [0-9]+ \[preauth\]
^[0-9]{4}-[0-9]{2}-[0-9]{2}T[ .:+0-9]+ [._[:alnum:]-]+ sshd(-session)?\[[0-9]+\]: drop connection #[0-9]+ from \[(UNKNOWN|([0-9]{1,3}\.){3}[0-9]{1,3})\]:-?[0-9]+ on \[([0-9]{1,3}\.){3}[0-9]{1,3}\]:22 (past )?Max[Ss]tartups