During Oracle RAC failover, the surviving RAC node issues GARP twice in RHEL 6

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Issue

During Oracle RAC failover, the surviving RAC node issues Gratuitous ARP (GARP) twice. The first one has the correct MAC address and this is immediately followed by a second GARP but with an incorrect MAC address (it’s using the MAC address of the default gateway).

Environment

Red Hat Enterprise Linux (RHEL) 6.5
VMWare
Oracle RAC

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