[action] [PR:15006] [master] Resolve neighbors from config_db #15124
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Why I did it
To resolve NEIGH table entries present in CONFIG_DB. Without this change arp/ndp entries which we wish to resolve, and configured via CONFIG_DB are not resolved.
Work item tracking
How I did it
Modify arp_update script to take NEIGH entries from config db for resolution. For failed entries trigger a ping6/ping command for resolution
How to verify it
Configure NEIGH table in config_db and check if it gets resolved.
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)