code: func (na *cnmNetworkAllocator) IsVIPOnIngressNetwork(vip *api.Endpoint_VirtualIP) bool {
  	if vip == nil {
  		return false
  	}
  
  	localNet := na.getNetwork(vip.NetworkID)
  	if localNet != nil && localNet.nw != nil {
  		return networkallocator.IsIngressNetwork(localNet.nw)
  	}
  	return false
  }
docs: // IsVIPOnIngressNetwork check if the vip is in ingress network