0.4.5 dir auths complain often of missing proto and missing identity-ed25519 elements

on moria1 I moved to the latest git, and now I have these complaints in the logs:

Jan 10 14:30:32.730 [warn] Parse error: missing proto element.
Jan 10 14:30:32.730 [warn] Error tokenizing router descriptor.
Jan 10 14:30:32.730 [warn] Parse error: missing identity-ed25519 element.
Jan 10 14:30:32.730 [warn] Error tokenizing extra-info document.
Jan 10 14:31:17.252 [warn] Parse error: missing proto element.
Jan 10 14:31:17.253 [warn] Error tokenizing router descriptor.
Jan 10 14:32:14.620 [warn] Parse error: missing proto element.
Jan 10 14:32:14.620 [warn] Error tokenizing router descriptor.
Jan 10 14:34:37.349 [warn] Parse error: missing proto element.
Jan 10 14:34:37.349 [warn] Error tokenizing router descriptor.
Jan 10 14:34:37.349 [warn] Parse error: missing identity-ed25519 element.
Jan 10 14:34:37.349 [warn] Error tokenizing extra-info document.
Jan 10 14:43:05.706 [warn] Parse error: missing proto element.
Jan 10 14:43:05.706 [warn] Error tokenizing router descriptor.
Jan 10 14:43:05.706 [warn] Parse error: missing identity-ed25519 element.
Jan 10 14:43:05.706 [warn] Error tokenizing extra-info document.
Jan 10 14:44:03.037 [warn] Parse error: missing proto element.
Jan 10 14:44:03.037 [warn] Error tokenizing router descriptor.
Jan 10 14:44:03.038 [warn] Parse error: missing identity-ed25519 element.
Jan 10 14:44:03.038 [warn] Error tokenizing extra-info document.

I assume that modern Tor is expecting or assuming something that is not the case in practice.