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Description of problem:

dracut sets interface parameters called valid_lft and preferred_lft but neither of these options are are documented in the man page. The values set are also listed when you print the interface's configuration.

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever


but it takes a bit of digging to figure out what these values mean. These should be documented in the man page so that people know what they mean and how to set them.

Version-Release number of selected component (if applicable):
3.9.0-13

How reproducible:
always

In RHEL 7 the manpage is called ip-address.

This has been resolved as a side effect of the fix for bug 1231898.

Reopening this ticket so it can be tested for in QA.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHEA-2016-2162.html