What is the best way to install ovirt guest on Ubuntu 16.04.6?

What I did:

# apt-get install ovirt-guest-agent

I changed value in /etc/ovirt-guest-agent.conf to look like:
[virtio]
# device = /dev/virtio-ports/com.redhat.rhevm.vdsm
device = /dev/virtio-ports/ovirt-guest-agent.0

# systemctl start ovirt-guest-agent

Error on the log:

OSError: [Errno 13] Permission denied: '/dev/virtio-ports/ovirt-guest-agent.0

Than I set the owner and group

# chown ovirtagent:ovirtagent /dev/virtio-ports/ovirt-guest-agent.0

Than I was able to start the agent

# systemctl status ovirt-guest-agent
● ovirt-guest-agent.service - oVirt Guest Agent
Loaded: loaded (/lib/systemd/system/ovirt-guest-agent.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2020-10-31 19:50:03 WET; 9min ago
Process: 6531 ExecStartPre=/bin/chown ovirtagent:ovirtagent /run/ovirt-guest-agent.pid (code=exited, status=0/SUCCESS)
Process: 6527 ExecStartPre=/bin/touch /run/ovirt-guest-agent.pid (code=exited, status=0/SUCCESS)
Process: 6524 ExecStartPre=/sbin/modprobe virtio_console (code=exited, status=0/SUCCESS)
Main PID: 6537 (python)
Tasks: 3
Memory: 68.7M
CPU: 5.462s
CGroup: /system.slice/ovirt-guest-agent.service
└─6537 /usr/bin/python /usr/share/ovirt-guest-agent/ovirt-guest-agent.py

Oct 31 19:52:05 alfa.acloud.pt python[6537]: [100B blob data]
Oct 31 19:54:06 alfa.acloud.pt python[6537]: [90B blob data]
Oct 31 19:54:06 alfa.acloud.pt python[6537]: [155B blob data]
Oct 31 19:54:06 alfa.acloud.pt python[6537]: [100B blob data]
Oct 31 19:56:06 alfa.acloud.pt python[6537]: [90B blob data]
Oct 31 19:56:07 alfa.acloud.pt python[6537]: [155B blob data]
Oct 31 19:56:07 alfa.acloud.pt python[6537]: [100B blob data]
Oct 31 19:58:07 alfa.acloud.pt python[6537]: [90B blob data]
Oct 31 19:58:08 alfa.acloud.pt python[6537]: [155B blob data]
Oct 31 19:58:08 alfa.acloud.pt python[6537]: [100B blob data]

Everytime I restart the VM I need to set the owner and group

# chown ovirtagent:ovirtagent /dev/virtio-ports/ovirt-guest-agent.0

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