Мусор в логах?

Добрый день!
Имею WB6
в логах messages постоянно пишется достаточно много однотипных записей.
Помогите, пожалуйста, понять, где они показывают на проблемы.
А то что не проблема - как убрать, что бы не засорялся лог и не мешал отлавливать реальные проблемы.

ct 24 22:00:02 wirenboard-AKVWZOQY CRON[26009]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:00:02 wirenboard-AKVWZOQY CRON[26010]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:00:02 wirenboard-AKVWZOQY CRON[26019]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:00:02 wirenboard-AKVWZOQY CRON[26020]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_wbrules.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:00:03 wirenboard-AKVWZOQY CRON[26010]: pam_unix(cron:session): session closed for user root
Oct 24 22:00:06 wirenboard-AKVWZOQY CRON[26009]: pam_unix(cron:session): session closed for user root
Oct 24 22:00:25 wirenboard-AKVWZOQY kernel: [ 5435.030995] RTL871X: set group key camid:2, addr:00:00:00:00:00:00, kid:2, type:TKIP
Oct 24 22:01:01 wirenboard-AKVWZOQY CRON[26194]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:01:01 wirenboard-AKVWZOQY CRON[26198]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:01:05 wirenboard-AKVWZOQY CRON[26194]: pam_unix(cron:session): session closed for user root
Oct 24 22:02:01 wirenboard-AKVWZOQY CRON[26352]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:02:01 wirenboard-AKVWZOQY CRON[26356]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:02:06 wirenboard-AKVWZOQY CRON[26352]: pam_unix(cron:session): session closed for user root
Oct 24 22:02:23 wirenboard-AKVWZOQY wb-mqtt-serial[4197]: WARNING: [modbus] failed to read 6 input(s) @ 32 of device modbus:29: Serial protocol error: request timed out
Oct 24 22:03:01 wirenboard-AKVWZOQY CRON[26507]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:03:01 wirenboard-AKVWZOQY CRON[26511]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:03:05 wirenboard-AKVWZOQY CRON[26507]: pam_unix(cron:session): session closed for user root
Oct 24 22:04:01 wirenboard-AKVWZOQY CRON[26671]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:04:01 wirenboard-AKVWZOQY CRON[26675]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:04:05 wirenboard-AKVWZOQY CRON[26671]: pam_unix(cron:session): session closed for user root
Oct 24 22:05:01 wirenboard-AKVWZOQY CRON[26831]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:05:01 wirenboard-AKVWZOQY CRON[26830]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:05:01 wirenboard-AKVWZOQY CRON[26838]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_wbrules.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:05:01 wirenboard-AKVWZOQY CRON[26839]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:05:03 wirenboard-AKVWZOQY CRON[26831]: pam_unix(cron:session): session closed for user root
Oct 24 22:05:06 wirenboard-AKVWZOQY CRON[26830]: pam_unix(cron:session): session closed for user root
Oct 24 22:06:01 wirenboard-AKVWZOQY CRON[27003]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:06:01 wirenboard-AKVWZOQY CRON[27007]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:06:05 wirenboard-AKVWZOQY CRON[27003]: pam_unix(cron:session): session closed for user root
Oct 24 22:06:44 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 8
Oct 24 22:06:52 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 9
Oct 24 22:07:01 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 14
Oct 24 22:07:01 wirenboard-AKVWZOQY CRON[27168]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:07:01 wirenboard-AKVWZOQY CRON[27172]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:07:05 wirenboard-AKVWZOQY CRON[27168]: pam_unix(cron:session): session closed for user root
Oct 24 22:07:15 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 15
Oct 24 22:07:30 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 15
Oct 24 22:07:45 wirenboard-AKVWZOQY dhclient[5488]: No DHCPOFFERS received.
Oct 24 22:07:45 wirenboard-AKVWZOQY dhclient[5488]: No working leases in persistent database - sleeping.
Oct 24 22:08:02 wirenboard-AKVWZOQY CRON[27326]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:08:02 wirenboard-AKVWZOQY CRON[27330]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:08:06 wirenboard-AKVWZOQY CRON[27326]: pam_unix(cron:session): session closed for user root
Oct 24 22:09:00 wirenboard-AKVWZOQY systemd[1]: Starting Clean php session files...
Oct 24 22:09:01 wirenboard-AKVWZOQY CRON[27507]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:09:01 wirenboard-AKVWZOQY CRON[27506]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:09:01 wirenboard-AKVWZOQY CRON[27514]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:09:01 wirenboard-AKVWZOQY CRON[27515]: (root) CMD (  [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi)
Oct 24 22:09:01 wirenboard-AKVWZOQY CRON[27506]: pam_unix(cron:session): session closed for user root
Oct 24 22:09:02 wirenboard-AKVWZOQY systemd[1]: Started Clean php session files.
Oct 24 22:09:05 wirenboard-AKVWZOQY CRON[27507]: pam_unix(cron:session): session closed for user root
Oct 24 22:10:01 wirenboard-AKVWZOQY CRON[27698]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:10:01 wirenboard-AKVWZOQY CRON[27699]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:10:01 wirenboard-AKVWZOQY CRON[27707]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_wbrules.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:10:01 wirenboard-AKVWZOQY CRON[27708]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:10:03 wirenboard-AKVWZOQY CRON[27699]: pam_unix(cron:session): session closed for user root
Oct 24 22:10:06 wirenboard-AKVWZOQY CRON[27698]: pam_unix(cron:session): session closed for user root
Oct 24 22:10:25 wirenboard-AKVWZOQY kernel: [ 6035.020965] RTL871X: set group key camid:1, addr:00:00:00:00:00:00, kid:1, type:TKIP
Oct 24 22:11:01 wirenboard-AKVWZOQY CRON[27875]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:11:01 wirenboard-AKVWZOQY CRON[27879]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:11:01 wirenboard-AKVWZOQY wb-rules[4203]: INFO: [rule info] LOG::timerLongPress:: 20
Oct 24 22:11:02 wirenboard-AKVWZOQY wb-rules[4203]: INFO: [rule info] device:  group_lights_switches  control:  K3all_light  newValue:  true
Oct 24 22:11:05 wirenboard-AKVWZOQY CRON[27875]: pam_unix(cron:session): session closed for user root
Oct 24 22:11:54 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 6
Oct 24 22:12:00 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 15
Oct 24 22:12:01 wirenboard-AKVWZOQY CRON[28031]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:12:01 wirenboard-AKVWZOQY CRON[28038]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:12:06 wirenboard-AKVWZOQY CRON[28031]: pam_unix(cron:session): session closed for user root
Oct 24 22:12:15 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 10
Oct 24 22:12:25 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 11
Oct 24 22:12:36 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 13
Oct 24 22:12:49 wirenboard-AKVWZOQY dhclient[5488]: DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 6
Oct 24 22:12:55 wirenboard-AKVWZOQY dhclient[5488]: No DHCPOFFERS received.
Oct 24 22:12:55 wirenboard-AKVWZOQY dhclient[5488]: No working leases in persistent database - sleeping.
Oct 24 22:13:01 wirenboard-AKVWZOQY CRON[28199]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:13:01 wirenboard-AKVWZOQY CRON[28203]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:13:05 wirenboard-AKVWZOQY CRON[28199]: pam_unix(cron:session): session closed for user root
Oct 24 22:14:01 wirenboard-AKVWZOQY CRON[28354]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:14:01 wirenboard-AKVWZOQY CRON[28358]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:14:05 wirenboard-AKVWZOQY CRON[28354]: pam_unix(cron:session): session closed for user root
Oct 24 22:15:02 wirenboard-AKVWZOQY CRON[28518]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:15:02 wirenboard-AKVWZOQY CRON[28519]: pam_unix(cron:session): session opened for user root by (uid=0)
Oct 24 22:15:02 wirenboard-AKVWZOQY CRON[28527]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_confed.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:15:02 wirenboard-AKVWZOQY CRON[28528]: (root) CMD (/usr/share/wb-daemon-watchdogs/check_wbrules.sh 2>&1 | logger -t wb-daemon-watchdogs)
Oct 24 22:15:03 wirenboard-AKVWZOQY CRON[28519]: pam_unix(cron:session): session closed for user root
Oct 24 22:15:06 wirenboard-AKVWZOQY CRON[28518]: pam_unix(cron:session): session closed for user root
Oct 24 22:16:01 wirenboard-AKVWZOQY CRON[28695]: pam_unix(cron:session): session opened for user root by (uid=0)

Спасибо!

PS Wiren Board 6.6.0, release wb-2204 (as stable)

и подскажите, пожалуйста, в логе после перезагрузки ничего плохого нет?
messages-load (272.0 КБ)
Смущают строки типа:

wb-rules[4128]: INFO: wb-gpio/EXT2_R3A4: failed to convert value '', passing raw

для каждого устройства

Здравствуйте!

Это больше информационное сообщение от wb-rules при распознавание типов контролов, на функциональность не влияет, разработчики обещали это исправить.