Logd doesn't honor conloglevel (17.01.4, r3560-79f57e422d)

[ximibaba]

Found below links and it looks someone has opened this can of worms already.

https://wiki.openwrt.org/doc/howto/log.syslog-ng3
https://baheyeldin.com/technology/linux/logging-with-syslog-ng-on-openwrt.html