Some errors are printed as String, resulting in not useful logs. See examples below, but need to check also other prints Oct 09 04:43:36 localhost installer[182675]: time="2020-10-09T04:43:36Z" level=error msg="Failed to fetch file (worker.ign) from server. err: [GET /clusters/{cluster_id}/downloads/files][409] downloadClusterFilesConflict &{Code:0xc00038aa70 Href:0xc00038aa80 ID:0xc000541e04 Kind:0xc00038aa90 Reason:0xc00038aaa0}" Oct 09 04:43:36 localhost installer[182675]: time="2020-10-09T04:43:36Z" level=info msg="Updating node installation stage: Failed - [GET /clusters/{cluster_id}/downloads/files][409] downloadClusterFilesConflict &{Code:0xc00038aa70 Href:0xc00038aa80 ID:0xc000541e04 Kind:0xc00038aa90 Reason:0xc00038aaa0}"