VIRTIO SPEC document wrote
VIRTIO_NET_F_GUEST_ANNOUNCE Requires VIRTIO_NET_F_CTRL_VQ.
VIRTIO_NET_F_MQ Requires VIRTIO_NET_F_CTRL_VQ

In qemu source code hw\net\vhost_net.c
user_feature_bits has features VIRTIO_NET_F_GUEST_ANNOUNCE and VIRTIO_NET_F_MQ, 
no feature VIRTIO_NET_F_CTRL_VQ

Please explain why no feature VIRTIO_NET_F_CTRL_VQ in vhost user, Thank you

Best Regard
Wentao Jia

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