help: "OSPF SPF timers"
delete: "touch /tmp/ospf-timer.\\$PPID"
end: "if [ -f \"/tmp/ospf-timer.\\$PPID\" ]; then \
         /usr/bin/vtysh -c \"configure terminal\" -c \"router ospf\" \
         -c \"no timers throttle spf\"; \
         rm /tmp/ospf-timer.\\$PPID; \
     else \
         /usr/bin/vtysh -c \"configure terminal\" -c \"router ospf\" \
         -c \"timers throttle spf $(delay/@) $(initial-holdtime/@) $(max-holdtime/@)\"; \
     fi; "