OK, It's happened again on a fresh box, here is some crystal-clear
output irrefutably demonstrating the problem, checking all the places
you've asked for (and my 2-line workaround at the end):
(a dist-upgrade has just completed kicked off using the update icon, not
the command line, and I've just rebooted to discover the network doesn't
work anymore)
[EMAIL PROTECTED]:/localhome/localadmin# cat /etc/iftab
# This file assigns persistent names to network interfaces. See iftab(5).
eth0 mac 00:0e:0c:3e:9b:14
[EMAIL PROTECTED]:/localhome/localadmin# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0E:0C:3E:9B:14
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Base address:0xee80 Memory:feba0000-febc0000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:1480 errors:0 dropped:0 overruns:0 frame:0
TX packets:1480 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:93240 (91.0 KiB) TX bytes:93240 (91.0 KiB)
[EMAIL PROTECTED]:/localhome/localadmin# ls -la /var/dist-upgrade*
ls: /var/dist-upgrade*: No such file or directory
[EMAIL PROTECTED]:/etc/network# perl -pi -e "s/eth0/eth1/g"
/etc/network/interfaces
[EMAIL PROTECTED]:/etc/network# /etc/init.d/networking restart
* Reconfiguring network interfaces...
Ignoring unknown interface eth0=eth0.
Internet Systems Consortium DHCP Client V3.0.3
Copyright 2004-2005 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/products/DHCP
Listening on LPF/eth1/00:08:c7:e9:8c:89
Sending on LPF/eth1/00:08:c7:e9:8c:89
Sending on Socket/fallback
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 4
DHCPOFFER from 10.50.128.5
DHCPREQUEST on eth1 to 255.255.255.255 port 67
DHCPACK from 10.50.128.5
bound to 10.50.129.252 -- renewal in 121866 seconds.
--
after dist-upgrade from breezy to dapper, networking stops working
https://launchpad.net/bugs/47407
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