CVU report PRVG-1533 while upgrade from 11.2.0.3 to 11.2.0.4

Issue:

While running runcluvfy (from 11.2.0.4 Binary location) to check upgrade readiness from 11.2.0.2 to 11.2.0.4, gives below PRVG-1533 error

runcluvfy.sh stage -pre crsinst -upgrade -n racnode1,racnode2,racnode3 -rolling -src_crshome /oragrid/product/11.2.0.3 -dest_crshome /oragrid/product/11.2.0.4/gi_1 -dest_version 11.2.0.4.0 -fixup -fixupdir /tmp -verbose

ERROR:
PRVG-1533 : The IPMP interfaces "bxge0,nxge0" classified as public network do not belong to the subnet "10.20.31.1" on node "racnode1"

Cause:

This was due to bug Bug 17333157

Solution:

Verify If IPMP group configuration shows consistent when runcluvfy is executed from 11.2.0.3 GI home.

Then you can  ignore the error and proceed with upgrade.