linux – 奇怪的ip命令输出

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当我调用ip addr show时,我得到所有接口及其IP地址的输出(查看eth7)：

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
2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:1c:42:e9:3d:aa brd ff:ff:ff:ff:ff:ff
    inet 172.11.98.248/16 brd 172.11.255.255 scope global eth1
3: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc cbq state UP qlen 1000
    link/ether 00:1c:42:c6:d0:c4 brd ff:ff:ff:ff:ff:ff
    inet 10.28.98.242/19 brd 10.28.127.255 scope global eth2
4: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:1c:42:56:14:28 brd ff:ff:ff:ff:ff:ff
    inet 10.28.98.249/24 scope global eth4
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:1c:42:03:06:77 brd ff:ff:ff:ff:ff:ff
    inet 10.28.98.230/19 brd 10.28.127.255 scope global eth3
6: eth7: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:1c:42:4d:cb:d7 brd ff:ff:ff:ff:ff:ff
    inet 10.28.98.231/24 scope global eth7
    inet 192.168.13.0/18 scope global eth7
7: eth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:1c:42:81:0a:a4 brd ff:ff:ff:ff:ff:ff
8: eth6: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:1c:42:5c:12:40 brd ff:ff:ff:ff:ff:ff
9: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
    link/ether b2:c1:df:b1:29:c7 brd ff:ff:ff:ff:ff:ff
    inet 10.47.130.2/24 brd 10.47.130.255 scope global br0
10: br1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
    link/ether 52:b4:3a:90:f2:05 brd ff:ff:ff:ff:ff:ff
11: venet0: <BROADCAST,POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
    link/void 

但是当我调用相同的命令ip addr show up,但是对于只有up-ed接口,我得到了奇怪的结果：

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
2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:1c:42:e9:3d:aa brd ff:ff:ff:ff:ff:ff
    inet 172.11.98.248/16 brd 172.11.255.255 scope global eth1
3: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc cbq state UP qlen 1000
    link/ether 00:1c:42:c6:d0:c4 brd ff:ff:ff:ff:ff:ff
    inet 10.28.98.242/19 brd 10.28.127.255 scope global eth2
4: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:1c:42:56:14:28 brd ff:ff:ff:ff:ff:ff
    inet 10.28.98.249/24 scope global eth4
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:1c:42:03:06:77 brd ff:ff:ff:ff:ff:ff
    inet 10.28.98.230/19 brd 10.28.127.255 scope global eth3
    inet 10.28.98.231/24 scope global eth7
    inet 192.168.13.0/18 scope global eth7
9: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
    link/ether b2:c1:df:b1:29:c7 brd ff:ff:ff:ff:ff:ff
    inet 10.47.130.2/24 brd 10.47.130.255 scope global br0
10: br1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
    link/ether 52:b4:3a:90:f2:05 brd ff:ff:ff:ff:ff:ff
11: venet0: <BROADCAST,POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
    link/void 

我期待下行接口只会从输出中消失.但是,对我来说有些奇怪,我看到它们不仅消失了,而且先前分配给eth7的IP地址192.168.13.0/18,10.28.98.231/24目前已分配给eth3.

这是正常行为吗？为什么会这样？为什么这些IP地址被分配给eth3接口而不是其他接口？

解决方法:

It’s a bug.已经有一个补丁,所以你可以在下一个版本中修复它.感谢wurtel报告.

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