求救阿！这是什么原因呢？我每开一次电脑eth都不见了，每次启动都要重新打入ifup -a 才能上网，eth的序号越来越大,修改了interfaces文档，无效，请问怎解决？
tamama@ubuntu:~$ sudo ifup -a
eth2: ERROR while getting interface flags: No such device
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
SIOCSIFADDR: No such device
eth2: ERROR while getting interface flags: No such device
eth2: ERROR while getting interface flags: No such device
Bind socket to interface: No such device
Failed to bring up eth2.
eth3: ERROR while getting interface flags: No such device
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
SIOCSIFADDR: No such device
eth3: ERROR while getting interface flags: No such device
eth3: ERROR while getting interface flags: No such device
Bind socket to interface: No such device
Failed to bring up eth3.
eth4: ERROR while getting interface flags: No such device
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
SIOCSIFADDR: No such device
eth4: ERROR while getting interface flags: No such device
eth4: ERROR while getting interface flags: No such device
Bind socket to interface: No such device
Failed to bring up eth4.
eth5: ERROR while getting interface flags: No such device
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
SIOCSIFADDR: No such device
eth5: ERROR while getting interface flags: No such device
eth5: ERROR while getting interface flags: No such device
Bind socket to interface: No such device
Failed to bring up eth5.
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Listening on LPF/eth6/00:00:6c:3a:90:4d
Sending on LPF/eth6/00:00:6c:3a:90:4d
Sending on Socket/fallback
DHCPDISCOVER on eth6 to 255.255.255.255 port 67 interval 3
DHCPOFFER from 10.53.192.1
DHCPREQUEST on eth6 to 255.255.255.255 port 67
DHCPACK from 10.53.192.1
bound to 10.53.203.228 -- renewal in 123954 seconds.
重装了一下系统，问题出来了
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snakexox
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