Commit ce166a54ce for frr

commit ce166a54ceab541c7180eb39b81e7f952e6237c7
Merge: 4ccd90ee93 e4c476db5a
Author: Russ White <russ@riw.us>
Date:   Fri Nov 6 17:21:28 2026 -0500

    Merge pull request #23968 from ylopez/isisd-p2p-csnp-adj-up

    isisd: send CSNPs when a p2p adjacency comes up