local LOG     = require"log.log".new('trace', require "log.writer.net.udp".new({
        host = host,
        port = port,
        --        sock_type = "udp",
        --        flush_limit = 1,
        --        drop_limit = 99999,
    }), require "log.formatter.qhsysformat".new(), require "log.logformat.syslog".qhinit('CATEGORY'))

    LOG.info       ('MESSAGE', {a="a"})

--res:
<14>1 2017-05-19T09:56:58+00:00 7686d731da5c lua 12 - - CATEGORY.MESSAGE INFO	[2017-05-19 09:56:58]	{"a":"a"}   {"server":"","ip":"10.18.120.78","url":"\/test","http_method":"GET"}