filter f_synosystemd { match("synosystemd:" value("MESSAGE"));  };
destination d_synosystemd { file("/var/log/synosystemd.log"); };
log { source(src); filter(f_synosystemd); destination(d_synosystemd); };

filter f_systemd { program("systemd"); };
destination d_systemd { file("/var/log/systemd.log"); };
log { source(src); filter(f_systemd); destination(d_systemd); };