conjunction with STDERR-based logging as implemented
by systemd. If a systemd service definition file is
configured with <varname>StandardError=syslog</varname>
- or <varname>StandardError=kmsg</varname> these
+ or <varname>StandardError=kmsg</varname>, these
prefixes can be used to encode a log level in lines
printed. This is similar to the kernel
<function>printk()</function>-style logging. See