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Created attachment 1090180 [details]
Proposed patch

Description of problem:
For instance, the IPs are:
eth0: 10.150.10.81/8
eth1: 10.150.10.91/24

The bindnetaddr in corosync is: 10.150.10.0 and the addr of eth1 is
selected in UDPU mode. Then the bindto address mistakenly
choosees the addr of eth0.

This does not affect binding to a fully-specific IP address.

Version-Release number of selected component (if applicable):
1.4.7

Additional info:
Probably sanityonly.

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/RHBA-2016-0753.html