[root@localhost tmp]# zabbix_agent2 -V | grep zabbix_agent2
zabbix_agent2 (Zabbix) 6.0.12

[root@localhost tmp]# ls -al /tmp/agent.*
srwxr-xr-x 1 zabbix zabbix 0 Dec 12 06:52 /tmp/agent.plugin.sock
srwx------ 1 zabbix zabbix 0 Dec 12 06:52 /tmp/agent.sock

[root@localhost tmp]# zabbix_agent2 -R userparameter_reload
2022/12/12 06:56:18.295337 User parameters reloaded

[root@localhost tmp]# ls -al /tmp/agent.*
srwxr-xr-x 1 root   root   0 Dec 12 06:56 /tmp/agent.plugin.sock
srwx------ 1 zabbix zabbix 0 Dec 12 06:52 /tmp/agent.sock

[root@localhost tmp]# systemctl stop zabbix-agent2

[root@localhost tmp]# ls -al /tmp/agent.*
srwxr-xr-x 1 root root 0 Dec 12 06:56 /tmp/agent.plugin.sock

2022/12/12 06:52:48.228652 Zabbix Agent2 hostname: [Zabbix server]
2022/12/12 06:52:49.230741 [101] cannot connect to [127.0.0.1:10051]: dial tcp :0->127.0.0.1:10051: connect: connection refused
2022/12/12 06:52:49.230782 [101] active check configuration update from host [Zabbix server] started to fail
2022/12/12 06:56:18.295252 User parameters reloaded
2022/12/12 06:58:45.017758 Zabbix Agent 2 stopped. (6.0.12)
2022/12/12 06:58:45.017824 failed to clean up after plugins, operation not permitted