iv.如何查看centos7复制出来的虚拟机的mac地址，需要执行 “ip addr”，输出如下的类似信息：[[email protected] ~]# ip addr show1: lo: mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet scope host lovalid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever2: eno16777736: mtu 1500 qdisc pfifo_fast state UP qlen 1000link/ether 00:0c:29:15:e1:3e brd ff:ff:ff:ff:ff:ffinet brd scope global eno16777736valid_lft forever preferred_lft foreverinet6 fe80::20c:29ff:fe15:e13e/64 scope link valid_lft forever preferred_lft forever