ip,device,group,network
192.168.1.1,main_router,network,internal
192.168.1.100,front_camera,onvif_cameras,internal
192.168.1.101,back_camera,onvif_cameras,internal
192.168.1.102,living_camera,onvif_cameras,internal
8.8.8.8,google_dns,external,external