Thanks Dave and Neale for the response. Please find the observations below:-
1) We have not seen the issue after enabling IPv6 on the interface. But we will need to monitor it for some more time. 2) From core trace V6 link local frame was received on the node. 3) show node graph for the node displays this: vpp# show node ip6-link-local node ip6-link-local, type internal, state active, index 206 node function variants: default only next nodes: next-index node-index Node Vectors 0 397 ip6-drop 0 1 408 ip6-lookup 0 known previous nodes: lookup-ip6-src (197) lookup-ip6-dst-itf (198) lookup-ip6-dst (199) ip6-pop-hop-by-hop (392) ip6-hop-by-hop (399) ip6-load-balance (407) ip6-lookup (408) ip6-classify (447)
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