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Kernel error logs "Unable to copy IPMC index" appear in MLAG peers with PIM dense mode

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TitleKernel error logs "Unable to copy IPMC index" appear in MLAG peers with PIM dense mode
Symptoms
Below error messages are observed on MLAG ISC ports
10/03/2016 11:32:53.28 <Erro:Kern.IPv4Mc.Error> Slot-4: Unable to Del L3 4:2 from s,G,v=a34aa6df,ef53646d,166 IPMC 142, unit 1 Entry not found
10/03/2016 11:32:53.28 <Erro:Kern.IPv4Mc.Error> Slot-4: Unable to Del L3 4:1 from s,G,v=a34aa6df,ef53646d,166 IPMC 142, unit 1 Entry not found
10/03/2016 11:32:53.28 <Erro:Kern.IPv4Mc.Error> Slot-4: Unable to copy IPMC index 157 for s,G,v=a34aa6df,ef53646d,166 to IPMC 142, unit 1 Invalid port


 
Environment
EXOS 15.1.1 and above
Cause
The issue is because of the bug xos0066444
Resolution
Please upgrade to the version of EXOS where the bug xos0066444 is fixed.
 
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