Kata Containers CNI Network Problems on kata 3.2

[yangfeiCosmo]

Dear Kata Containers Community,
I'm the user of Kata Containers from Haier Corp of China。Now I want your support to resolve my problems.
I run Kata(version:3.2.0) containers on Containerd (v1.7.9) with CNI Network, and the hypervisor is ACRN(V3.2.0) 。Now I can run a kata containers on acrn hypervisor，but the SOS cannot communicate with each other over the cni network，but it works when using hypervisor QEMU。
Here are my steps:
1. Create cni conf file
cat << EOF | tee /etc/cni/net.d/redisnet.conf
{
"cniVersion": "0.4.0",
"name": "redisnet",
"type": "bridge",
"bridge": "cni0",
"isDefaultGateway": true,
"forceAddress": false,
"ipMasq": true,
"hairpinMode": true,
"ipam": {
"type": "host-local",
"subnet": "10.77.0.0/16"
}
}
EOF
2. Create networkspace and add network into it.
ip netns add redisnet

export CNI_PATH=/opt/cni/bin
cnitool add redisnet /var/run/netns/redisnet
cnitool check redisnet /var/run/netns/redisnet

I am now able to ping 10.77.0.2.

  3. Start a kata container with CNI Network

ctr run --snapshotter devmapper --runtime "io.containerd.kata.v2" --with-ns=network:/var/run/netns/redisnet -d registry2-qingdao.cosmoplat.com/62_edegecloud/ubuntu-vim-ip:22.04 kata-test sh

   but the container's eth0 is link down.

Now I cannot ping 10.77.0.2。

containerd.log
containerd-kata.log
kata-collect-data.log
persist.json

Now The tap0_kata did not have IP in networkspace redisnet。

And eth0's mac didn't match to eth0's mac of kata-test containers. but eth0's mac of kata-test containers is same as tap0_kata in redisnet networkspace.

[Apokleos]

Hi @yangfeiCosmo could you try to active the eth0 manualy using kata-runtime exec <ID> to enter the kata guest and then executing the command ip link set eth0 up

[yangfeiCosmo]

Hi @yangfeiCosmo could you try to active the eth0 manualy using kata-runtime exec <ID> to enter the kata guest and then executing the command ip link set eth0 up
Hi @Apokleos ，thanks for your reply。 I have tried your suggestion，kata-runtime exec kata-test ,and ip link set dev eth0 up。but eth0 is still link down.

[Apokleos]

@yangfeiCosmo Could you please give us instructions about how to get acrn binary ? I have no such env for testing a kata with acrn hypervisor

[Apokleos]

@yangfeiCosmo FYI