help: Log changes in adjacency state
create:expression: "${vyatta_sbindir}/vyatta-vtysh.pl -c \"configure terminal\" \
       -c \"router ospf\" \
       -c \"log-adjacency-changes\"; "
delete:expression: "${vyatta_sbindir}/vyatta-vtysh.pl -c \"configure terminal\" \
       -c \"router ospf\" \
       -c \"no log-adjacency-changes\"; "
