1网络接口名称规则:Network interface names Traditionally, network interfaces in Linux are enumerated as eth0, eth1, eth2, and so on. However, the mechanism which sets these names can cause changes to which interface gets which name as devices are added and removed. The default naming behavior in Red Hat Enterprise Linux 7 is to assign fixed names based on firmware, device topology, and device type. Interface names have the following characters: Ethernet interfaces begin with en, WLAN interfaces begin with wl, and WWAN interfaces begin with ww. The next character(s) represents the type of adapter with