Provide a no-op implementation of the drivers.DriverNetoworkManager
interface to be used by systems that don't support network isolation and
prevent panics where a network manager is expected.
* ar: refactor network bridge config to use go-cni lib
* ar: use eth as the iface prefix for bridged network namespaces
* vendor: update containerd/go-cni package
* ar: update network hook to use TODO contexts when calling configurator
* unnecessary conversion
Luiz Aoqui