In the container network scenario of the CloudFabric solution, when the container accesses the network through the L3 route mode, which of the following components establishes a BGP neighbor relationship with the ToR?

In the container network scenario of the CloudFabric solution, when the container accesses the network through the L3 route mode, which of the following components establishes a BGP neighbor relationship with the ToR?
A . CNI Plugin
B . vRouter
C . bird
D . etcd

Answer: C