[网络管理] ip addr 问题

[root@rs1 ~]# ip addr add 172.16.1.7/24 dev eth0
[root@rs1 ~]# ip add
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
    link/ether 00:0c:29:35:8b:db brd ff:ff:ff:ff:ff:ff
    inet 192.168.31.87/24 brd 192.168.31.255 scope global eth0
    inet 172.16.1.7/24 scope global eth0
    inet6 fe80::20c:29ff:fe35:8bdb/64 scope link
       valid_lft forever preferred_lft forever


这种方式添加ip: 172.16.1.7，怎么删除呢？