what are these messages which appear in 10.2 regulary - the single enry below is nothing else than stop a slave service and the other flood which is really annoying is libnss-mysql (system users and groups wihtin a mysql database)

2017-09-30 22:28:02 140709059794688 [Warning] Aborted connection 1880 to db: 'unconnected' user: 'replication' host: 'x.x.x.x' (Got an error writing communication packets)

at least name it 'Notice' instead of 'Warning' so that it don't trigger alert mails seeking for 'error', 'failed' and 'warning' over severeal hosts and service logs _____________________________________

2017-09-30 11:06:27 140340005750528 [Warning] Aborted connection 5 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:06:27 140340005144320 [Warning] Aborted connection 6 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:06:27 140340004538112 [Warning] Aborted connection 7 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:06:34 140340005750528 [Warning] Aborted connection 13 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:06:34 140340005144320 [Warning] Aborted connection 14 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:06:35 140340004538112 [Warning] Aborted connection 15 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:06:35 140340003325696 [Warning] Aborted connection 17 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:06:35 140340003628800 [Warning] Aborted connection 16 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:07:30 140340005144320 [Warning] Aborted connection 22 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:07:30 140340005750528 [Warning] Aborted connection 21 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:10:01 140340006356736 [Warning] Aborted connection 28 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:10:01 140340006962944 [Warning] Aborted connection 27 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:10:01 140339927049984 [Warning] Aborted connection 26 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:15:01 140340005144320 [Warning] Aborted connection 38 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:15:01 140340003628800 [Warning] Aborted connection 40 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:15:01 140340004538112 [Warning] Aborted connection 39 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:15:01 140340003325696 [Warning] Aborted connection 41 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:15:02 140340005750528 [Warning] Aborted connection 37 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:17:15 140340005144320 [Warning] Aborted connection 46 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:19:08 140339927049984 [Warning] Aborted connection 34 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:19:08 140340003325696 [Warning] Aborted connection 33 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:20:01 140340006962944 [Warning] Aborted connection 59 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:20:01 140340003628800 [Warning] Aborted connection 56 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:20:01 140340006356736 [Warning] Aborted connection 60 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:20:01 140340005750528 [Warning] Aborted connection 61 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:20:01 140339927049984 [Warning] Aborted connection 58 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:20:02 140340003325696 [Warning] Aborted connection 57 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:25:01 140340003628800 [Warning] Aborted connection 72 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:25:01 140340004538112 [Warning] Aborted connection 71 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:30:01 140340003628800 [Warning] Aborted connection 80 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:30:01 140340004538112 [Warning] Aborted connection 79 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:30:01 140340006962944 [Warning] Aborted connection 83 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:30:01 140340005750528 [Warning] Aborted connection 85 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:30:01 140339927049984 [Warning] Aborted connection 82 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:30:01 140340006356736 [Warning] Aborted connection 84 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:30:01 140340003325696 [Warning] Aborted connection 81 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:35:01 140340005144320 [Warning] Aborted connection 94 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:35:01 140340005750528 [Warning] Aborted connection 93 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:40:01 140340004538112 [Warning] Aborted connection 103 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:40:01 140340003628800 [Warning] Aborted connection 104 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:40:01 140340003325696 [Warning] Aborted connection 105 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:40:01 140339927049984 [Warning] Aborted connection 106 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:40:01 140340005144320 [Warning] Aborted connection 102 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:40:01 140340005750528 [Warning] Aborted connection 101 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:45:01 140340006356736 [Warning] Aborted connection 116 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:45:01 140340005750528 [Warning] Aborted connection 117 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:45:01 140340004538112 [Warning] Aborted connection 119 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:45:02 140340003628800 [Warning] Aborted connection 120 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:45:02 140340005144320 [Warning] Aborted connection 118 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:50:01 140340003628800 [Warning] Aborted connection 128 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:50:01 140340003325696 [Warning] Aborted connection 129 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:55:01 140340003628800 [Warning] Aborted connection 136 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 11:55:01 140340003325696 [Warning] Aborted connection 137 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340003325696 [Warning] Aborted connection 145 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140339927049984 [Warning] Aborted connection 146 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340006962944 [Warning] Aborted connection 147 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340005750528 [Warning] Aborted connection 149 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340006962944 [Warning] Aborted connection 155 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340006356736 [Warning] Aborted connection 148 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140339927049984 [Warning] Aborted connection 154 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340003325696 [Warning] Aborted connection 153 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340003628800 [Warning] Aborted connection 152 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340003628800 [Warning] Aborted connection 144 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340005144320 [Warning] Aborted connection 150 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:00:01 140340004538112 [Warning] Aborted connection 151 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:01:01 140339927049984 [Warning] Aborted connection 162 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:01:01 140340006356736 [Warning] Aborted connection 164 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:01:02 140340006962944 [Warning] Aborted connection 163 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:02:01 140340003325696 [Warning] Aborted connection 169 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:02:01 140340003628800 [Warning] Aborted connection 168 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:03:01 140340006356736 [Warning] Aborted connection 172 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:05:01 140340004538112 [Warning] Aborted connection 175 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:05:01 140340003628800 [Warning] Aborted connection 176 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:10:01 140340003628800 [Warning] Aborted connection 184 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:10:01 140340003325696 [Warning] Aborted connection 185 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:10:01 140340004538112 [Warning] Aborted connection 183 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:15:01 140340003628800 [Warning] Aborted connection 192 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:15:01 140340003325696 [Warning] Aborted connection 193 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:15:01 140340006962944 [Warning] Aborted connection 195 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:15:01 140340006356736 [Warning] Aborted connection 196 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:15:01 140339927049984 [Warning] Aborted connection 194 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:20:01 140340006356736 [Warning] Aborted connection 204 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:20:01 140340004538112 [Warning] Aborted connection 207 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:20:01 140340003628800 [Warning] Aborted connection 208 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:20:01 140340003325696 [Warning] Aborted connection 209 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:20:02 140340005750528 [Warning] Aborted connection 205 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:20:02 140340005144320 [Warning] Aborted connection 206 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:25:01 140340006962944 [Warning] Aborted connection 219 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:25:01 140340006356736 [Warning] Aborted connection 220 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:26:53 140340003628800 [Warning] Aborted connection 224 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:30:01 140340005750528 [Warning] Aborted connection 229 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:30:01 140339927049984 [Warning] Aborted connection 234 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:30:01 140340003628800 [Warning] Aborted connection 232 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:30:01 140340004538112 [Warning] Aborted connection 231 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets) 2017-09-30 12:30:01 140340006356736 [Warning] Aborted connection 228 to db: 'pam_mysql' user: 'pam_mysql' host: 'localhost' (Got an error reading communication packets)