I check leader logs by cardano-cli query leadership-schedule
The pool was assigned a slot based on the result but the pool is not the leader when the slot comes.
The leader logs result:
SlotNo UTC Time
-------------------------------------------------------------
75451711 2022-10-29 04:33:22 UTC
The node logs when slot comes
Oct 29 04:33:22 cardano-node[6926]: [cardano.node.LeadershipCheck:Info:3453] [2022-10-29 04:33:22.00 UTC] {"chainDensity":4.892696e-2,"credentials":"Cardano","delegMapSize":1224583,"kind":"TraceStartLeadershipCheck","slot":75451711,"utxoSize":8834177}
Oct 29 04:33:22 cardano-node[6926]: [cardano.node.Forge:Info:3453] [2022-10-29 04:33:22.03 UTC] fromList [("credentials",String "Cardano"),("val",Object (fromList [("kind",String "TraceNodeNotLeader"),("slot",Number 7.5451711e7)]))]
Oct 29 04:33:22 cardano-node[6926]: [cardano.node.Mempool:Info:419753] [2022-10-29 04:33:22.23 UTC] fromList [("kind",String "TraceMempoolAddedTx"),("mempoolSize",Object (fromList [("bytes",Number 49418.0),("numTxs",Number 20.0)])),("tx",Object (fromList [("txid",String "582171ac")]))]
Oct 29 04:33:22 cardano-node[6926]: [cardano.node.Mempool:Info:419753] [2022-10-29 04:33:22.27 UTC] fromList [("kind",String "TraceMempoolAddedTx"),("mempoolSize",Object (fromList [("bytes",Number 51636.0),("numTxs",Number 21.0)])),("tx",Object (fromList [("txid",String "88754c4d")]))]
Oct 29 04:33:22 cardano-node[6926]: [cardano.node.Mempool:Info:419753] [2022-10-29 04:33:22.31 UTC] fromList [("kind",String "TraceMempoolAddedTx"),("mempoolSize",Object (fromList [("bytes",Number 53198.0),("numTxs",Number 22.0)])),("tx",Object (fromList [("txid",String "d6f9d684")]))]
String “TraceNodeNotLeader”),(“slot”,Number 7.5451711e7)