The links in comment 2 all appear to be from master. I wouldn't be surprised if master is also affected, but I'm seeing this in stable/queens, so we probably want to look there first.
[scheduler]max_attempts is not changed from the default (3) and the create requests do not appear to be specifying a specific host/node.
The except block in comment 1 is not entered, because the exception doesn't get raised until after that, line 652 in stable/queens:
https:/ /github. com/openstack/ nova/blob/ 7ae2dc840a0bccb 868122bb4b77e89 58a0e842a7/ nova/conductor/ manager. py#L650- L652
The links in comment 2 all appear to be from master. I wouldn't be surprised if master is also affected, but I'm seeing this in stable/queens, so we probably want to look there first.
[scheduler] max_attempts is not changed from the default (3) and the create requests do not appear to be specifying a specific host/node.