Qemu: Waiting for the guest address to become available in the br0 network bridge

Hi Everyone,

I want to build a qemu guest vm through packer on redhat vm and also able to build the vm as well when using default nat network.
But i want guest vm to connect to host vm so configured bridge network and added “net_bridge”: “br0”, in json file but when ran packer build screen stuck at qemu: Waiting for the guest address to become available in the br0 network bridge… and later once timeout after 20 mins build failed.

   [root@SOGO-KVM-HOST networks]# sudo virsh net-list
 Name      State    Autostart   Persistent
--------------------------------------------
 br0       active   yes         yes
 default   active   yes         yes

[root@SOGO-KVM-HOST networks]# sudo cat /etc/libvirt/qemu/networks/br0.xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
  virsh net-edit br0
or other application using the libvirt API.
-->

<network>
  <name>br0</name>
  <uuid>c9bb34ab-9ba7-41c4-ac91-b2e6ffaaed55</uuid>
  <forward mode='bridge'/>
  <bridge name='br0'/>
</network>
#####packer json file####
"builders": [

{

"type": "qemu",

"qemu_binary": "/usr/libexec/qemu-kvm",

"iso_url": "/var/lib/libvirt/images/test.iso",

"iso_checksum": "md5:030eca87cb007ab3918ad5ae97e73ab2",

"output_directory": "/var/lib/libvirt/images/iso-dir/test",

"disk_size": "350G",


"headless": "true",

"qemuargs": [

            [

                "-m",

                "45000"

            ],
    [
"-cpu",
                "host"
            ],
            [

                "-smp",

                "10"

            ]

 ],

"format": "qcow2",

"accelerator": "kvm",

"ssh_username": "root",

"ssh_password": "*********",

"ssh_timeout": "20m",

"vm_name": "test",

"net_device": "virtio-net",

"disk_interface": "virtio",
"net_bridge": "br0",

"http_directory": "/home/sogouser/http",
"boot_wait": "10s",

"boot_command": [

"<tab><bs><bs><bs><bs><bs>text ks=http://{{ .HTTPIP }}:{{ .HTTPPort }}/anaconda-ks.cfg<enter><wait>"
]

}

]

################

Packer version is 1.9+
Host VM where KVM installed → redhat 8.5
guest vm —> rocky 8.7
Packer Azure