Okay, there are some problems with Syslog format for containers. Some people want readability, some parseability.
Let's decide what we want before release, because I don't want mark syslog as experimental for whole 1.6.
There are examples of journalctl and ubuntu syslog outputs in #12329
ping @jfrazelle @crosbymichael @icecrime @calavera @tiborvass @ibuildthecloud @wlan0 @x1022as