header exchange throws failed to broadcast block header error validation ignored

[gupadhyaya]

4:21PM ERR failed to broadcast block header error="validation ignored" module=HeaderExchangeService

[Wondertan]

This can either mean the broadcasted header is already known to the Syncer/Store or there is sone IO error. It's likely to be the former

[gupadhyaya]

already

this is correct. its because we are already setting the initial header in the store so that we can start syncer, hence the broadcast fails for self with validator error shown below:
validator reject: err header verification failed: known header: '1' <= current '1'