bin/45870: postinstall atf check fails: grep: /etc/atf/common.conf: No such file or directory

[mrg%eterna.com.au@localhost]

>Number:         45870
>Category:       bin
>Synopsis:       postinstall atf check fails: grep: /etc/atf/common.conf: No 
>such file or directory
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jan 25 04:25:00 +0000 2012
>Originator:     matthew green
>Release:        -current (2012-01-22)
>Organization:
>Environment:
>Description:
running "postinstall check" on a system installed from a while ago
results in this message:

  atf check:
  grep: /etc/atf/common.conf: No such file or directory

>How-To-Repeat:
install a pre-atf system (netbsd-4?) and then upgrade and use then
run "postinstall check".
>Fix: