Add some logcheck exceptions for dovecot, kernel and pure-ftpd

roles/common/files/logcheck/dovecot_local

@@ -1,3 +1,6 @@
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: Login: user=<.+>, method=.+, rip=[0-9:\.]+, lip=[0-9:\.]+, mpid=[0-9]+, .+, session=<.+>$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)\(.*\): (Connection closed|Disconnected: Logged out) in=[0-9]+ out=[0-9]+$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ (dovecot: )?(imap|pop3)-login: Disconnected \((disconnected before greeting, waited|no auth attempts in) [0-9]+ secs\): user=<>, rip=[:.0-9]+, lip=[:.0-9]+, secured, session=<.*>$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ (dovecot: )?(imap|pop3)-login: Disconnected \((disconnected before greeting, waited|no auth attempts in) [0-9]+ secs\): user=<>, rip=[:.0-9]+, lip=[:.0-9]+, (secured, )?session=<.*>$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: auth: Warning: auth client [0-9]+ disconnected with [0-9]+ pending requests: (Connection reset by peer|EOF)$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (imap|pop3)-login: (Disconnected|Aborted login) \(auth failed, [0-9]+ attempts in [0-9]+ secs\): user=<.+>, method=.+, rip=[:.0-9]+, lip=[:.0-9]+, session=<.*>$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: auth-worker\([0-9]+\): mysql\(.+\): Connected to database .+$

roles/common/files/logcheck/kernel_local

@@ -1 +1,2 @@
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ kernel: do_IRQ: [0-9\.]+ No irq handler for vector \(irq [-0-9]+\)$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ kernel: Peer [:.0-9]+:[0-9]+/[0-9]+ unexpectedly shrunk window [0-9]+:[0-9]+ \(repaired\)$

roles/common/files/logcheck/pure-ftpd_local

@@ -4,3 +4,7 @@
 ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ pure-ftpd: \([?.[:alnum:]-]+@[._[:alnum:]-]+\) \[ERROR\] Can't create directory: File exists$
 ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ pure-ftpd: \([._[:alnum:]-]+@[._[:alnum:]-]+\) \[NOTICE\] Restarting at [0-9]+$
 ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ pure-ftpd: \([?.[:alnum:]-]+@[:._[:alnum:]-]+\) \[INFO\] New connection from [:._[:alnum:]-]+$
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ pure-ftpd: pam_unix\(pure-ftpd:auth\): check pass; user unknown$
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ pure-ftpd: pam_unix\(pure-ftpd:auth\): authentication failure; logname= uid=[0-9]+ euid=[0-9]+ tty=pure-ftpd ruser=anonymous rhost=.*$
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ pure-ftpd: \(\?@[:.0-9]+\) \[INFO\] PAM_RHOST enabled. Getting the peer address$
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ pure-ftpd: \(\?@[:.0-9]+\) \[WARNING\] Authentication failed for user \[.*\]$