server's host key did not match the signature provided

Bug #1775324 reported by Urbansh Xie on 2018-06-06
This bug affects 1 person
Affects Status Importance Assigned to Milestone
OpenStack Community Project

Bug Description

Hi,I use OpenStack Ocata Dashboard to create instance,the the image are downloaded from openstack provided(,most Linux templates got error "server's host key did not match the signature provided" when I try ssh to the instance after created.I can login to the instance via console in dashboard.Also the set admin password feature not work on the dashboard interface if I switch to the old interface(The current doesn't have such option).I alreay set according to openstack guide:
I found some of the linux version don't have such problem,for saying Ubuntu 14.04 and CentOS 6.But Ubuntu 16 or 18、CentOS 7 or have such problem("server's host key did not match the signature provided").Openssh on Ubuntu 14.04 and CentOS 6 are openssh 5.X,and on Ubuntu 16 or 18、CentOS 7 are 7.X.I also try to downgrade openssh 7.X to 5.X but not still not work.
Is this related to Openstack policy setting?

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