Suppose resolvconf were to be changed so that it omitted information
from resolv.conf that appeared to be associated with a "down" interface.
What if a resolvconf update happens when some interface happens
temporarily to be down?  Information gets omitted even though it should
not be.  What if a package (e.g., NetworkManager) doesn't name records
like interface names?  Etc.

Keeping track of the networking subsystem is simply beyond the scope of
resolvconf which is just a tiny bit of glue script.

vpnc should not die abnormally.  If it does and this can't be fixed then
someone should write a vpnc watchdog which takes appropriate actions
when vpnc dies abnormally.

** Changed in: resolvconf (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/262650

Title:
  resolvconf should not use dns info for interfaces that are down

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