Alerting when "dialup" host from clear to green

[Josh Luthman]

I have this host:

172.16.10.49	foo.bar.com # testip dialup

Which is only used when a device fails to find a DHCP server.  Is
there any way to be alerted when this goes from clear to green?  COLOR
does not accept green and RECOVERED it seems is only from red to green
(we all know about the yellow to green "bug").

Josh Luthman
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