vyos@vyos:~$ dpkg -S /opt/vyatta/share/vyatta-op/templates/show/log/dns/forwarding/node.def
vyatta-op: /opt/vyatta/share/vyatta-op/templates/show/log/dns/forwarding/node.def

vyos@vyos:~$ cat /opt/vyatta/share/vyatta-op/templates/show/log/dns/forwarding/node.def
help: Show log for DNS Forwarding
run: cat $(printf "%s\n" /var/log/messages* | sort -nr) | grep -e "dnsmasq"