sshd have no USER_LOGOUT audit event

ubuntu 18.04

lizj@FNSTPC:~$ sudo aureport -e -i --summary | grep USER
43241 USER_END
16946 USER_START
16718 USER_ACCT
658 USER_AUTH
543 USER_CMD
255 USER_LOGIN
9 USER_ROLE_CHANGE
5 USER_ERR
2 USER_CHAUTHTOK
1 ADD_USER
lizj@FNSTPC:~/.local/bin$ dpkg -l | grep openssh
ii openssh-client 1:7.6p1-4ubuntu0.5 amd64 secure shell (SSH) client, for secure access to remote machines
ii openssh-server 1:7.6p1-4ubuntu0.5 amd64 secure shell (SSH) server, for secure access from remote machines
ii openssh-sftp-server 1:7.6p1-4ubuntu0.5 amd64 secure shell (SSH) sftp server module, for SFTP access from remote machines
lizj@FNSTPC:~/.local/bin$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.6 LTS
Release: 18.04
Codename: bionic

while in my fedora 33 host, it includes USER_LOGOUT as below

fedora 33
[root@iaas-rpma linux]# aureport -e -i --summary | grep USER
7356 CRYPTO_KEY_USER
2103 USER_START
1649 USER_END
1268 USER_ACCT
1108 USER_ROLE_CHANGE
1029 USER_AUTH
895 USER_LOGIN
789 USER_LOGOUT
60 USER_CMD
14 USER_ERR
3 USER_MGMT
3 USER_CHAUTHTOK
1 ADD_USER
[root@iaas-rpma ~]# rpm -qa | grep openssh
openssh-8.4p1-1.1.fc33.x86_64
openssh-clients-8.4p1-1.1.fc33.x86_64
openssh-server-8.4p1-1.1.fc33.x86_64