netopeer2: Cannot login via netconf

I am getting this

root@5399f5a44b43:/# netopeer2-cli
get_netconf_dir: Configuration directory "/root/.netopeer2-cli" did not exist, created.
load_history: No saved history.
load_config: No saved configuration.
> connect --host localhost --login netconf
The authenticity of the host 'localhost' cannot be established.
ssh-rsa key fingerprint is 41:8e:c1:f1:10:31:70:58:42:ab:19:2f:05:51:30:9b:f0:da:75:53.
Are you sure you want to continue connecting (yes/no)? yes
netconf@localhost password:
ly ERROR: Augment target node "private-key-type" in grouping "asymmetric-key-pair-with-certs-grouping" was not found. (Path "/ietf-keystore:keystore/{uses='keystore-grouping'}/asymmetric-keys/asymmetric-key/{uses='ks:asymmetric-key-pair-with-certs-grouping'}/{uses='ct:asymmetric-key-pair-with-certs-grouping'}".)
cmd_connect: Connecting to the localhost:830 as user "netconf" failed.
>

It seems to imply that there is a problem with the yangs supplied with netopeer. What is going wrong?

I am using the version set from the August 2023 release.