exec: chain-tip logging seems wrong

[AskAlexSharov]

now on bormainnet chain-tip:

[INFO] [01-18|03:29:33.289] [4/6 Execution] Done Commit every block  blk=66833605 blks=2 blk/s=18.2 txs=61 tx/s=555 gas/s=90.96M buf=3.6MB/512.0MB stepsInDB=0.00 step=3165.8 inMem=false alloc=22.3GB sys=28.0GB
[DBUG] [01-18|03:29:33.289] [4/6 Execution] DONE                     in=110.17315ms
[DBUG] [01-18|03:29:33.290] [5/6 TxLookup] DONE                      in=738.356µs
[DBUG] [01-18|03:29:33.290] [6/6 Finish] DONE                        in=8.11µs
[DBUG] [01-18|03:29:33.290] RPC Daemon notified of new headers       from=66833604 to=66833606 amount=1 header sending=8.079µs

amount=1 but blks=2. One of them is wrong. (maybe then txs also wrong).