--- fixes: - | When upgrading compute services from Ussuri to Victoria each by one, the Compute RPC API was pinning to 5.11 (either automatically or by using the specific rpc version in the option) but when rebuilding an instance, a TypeError was raised as an argument was not provided. This error is fixed by `bug 1902925`_. .. _bug 1902925: https://bugs.launchpad.net/nova/+bug/1902925/