我们在 Hyper-V 上有一个 Ubuntu VM，并且在其上安装了 LAMP 服务器和一个可从内联网访问的内部域。
由于服务器的连接中断，我们每天都必须重新启动它。
当我们登录虚拟机时，网络断了，根本没有互联网
我看了日志，凌晨 2 点发生了一些事情
以下是更多信息：
Linux hpjs-desktop 2.6.32-38-generic #83-Ubuntu SMP 星期三 1 月 4 日 11:13:04 UTC 2012 i686 GNU/Linux
猫/等/网络/接口
自动 lo iface lo inet 环回
自动 seth0 iface seth0 inet dhcp
猫/etc/dhcp3/dhclient.conf
选项 rfc3442-classless-static-routes 代码 121 = 无符号整数 8 数组；
发送主机名“”；
请求子网掩码、广播地址、时间偏移、路由器、域名、域名服务器、域搜索、主机名、netbios 名称服务器、netbios 范围、接口 mtu、rfc3442 无类静态路由、ntp 服务器；
是否配置
eth2 链路封装：以太网 HWaddr 00：15：5d：01：05：16
inet addr:192.168.1.103 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::215:5dff:fe01:516/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:245080 errors:0 dropped:0 overruns:0 frame:0 TX packets:26105 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:30436098 (30.4 MB) TX bytes:7172154 (7.1 MB) 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:114 errors:0 dropped:0 overruns:0 frame:0 TX packets:114 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:8886 (8.8 KB) TX bytes:8886 (8.8 KB)
还有一些日志：
vim /var/log/kern.log
Aug 13 02:14:16 hpjs-desktop kernel: [ 4.438320] EXT4-fs (sda1): INFO: recovery required on readonly filesystem
Aug 13 02:14:16 hpjs-desktop kernel: [ 4.438327] EXT4-fs (sda1): write access will be enabled during recovery
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): orphan cleanup on readonly fs
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7340040
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7340039
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7340038
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7340037
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7340036
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): 5 orphan inodes deleted
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.096040] EXT4-fs (sda1): recovery complete
Aug 13 02:14:16 hpjs-desktop kernel: [ 12.190173] EXT4-fs (sda1): mounted filesystem with ordered data mode
Aug 13 02:14:16 hpjs-desktop kernel: [ 36.468053] Adding 5448696k swap on /dev/hda5. Priority:-1 extents:1 across:5448696k
Aug 13 02:14:16 hpjs-desktop kernel: [ 36.577612] udev: starting version 151
Aug 13 02:14:16 hpjs-desktop kernel: [ 36.869644] piix4_smbus 0000:00:07.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.029617] VMBUS_DRV: generating uevent - VMBUS_DEVICE_CLASS_GUID={c5295816-f63a-4d5f-8d1a4daf999ca185}
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.029645] VMBUS_DRV: generating uevent - VMBUS_DEVICE_CLASS_GUID={32412632-86cb-44a2-9b5c50d1417354f5}
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.029751] VMBUS_DRV: generating uevent - VMBUS_DEVICE_CLASS_GUID={cfa8b69e-5b4a-4cc0-b98b8ba1a1f3f95a}
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.029778] VMBUS_DRV: generating uevent - VMBUS_DEVICE_CLASS_GUID={ba6163d9-04a1-4d29-b60572e2ffb1dc7f}
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.029843] VMBUS_DRV: generating uevent - VMBUS_DEVICE_CLASS_GUID={f8615163-df3e-46c5-913ff2d2f965ed0e}
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.323305] lp: driver loaded but no devices found
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.325365] vga16fb: initializing
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.325370] vga16fb: mapped to 0xc00a0000
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.325433] fb0: VGA16 VGA frame buffer device
Aug 13 02:14:16 hpjs-desktop kernel: [ 37.508816] udev: renamed network interface eth0 to eth2
Aug 13 02:14:16 hpjs-desktop kernel: [ 39.431272] psmouse serio1: ID: 12 00 64
Aug 13 02:14:16 hpjs-desktop kernel: [ 39.975057] trackpoint.c: failed to get extended button data
Aug 13 02:14:16 hpjs-desktop kernel: [ 40.876129] Console: switching to colour frame buffer device 80x30
Aug 13 02:14:16 hpjs-desktop kernel: [ 41.271321] type=1505 audit(1407910454.512:2): operation="profile_load" pid=533 name="/sbin/dhclient3"
Aug 13 02:14:16 hpjs-desktop kernel: [ 41.273609] type=1505 audit(1407910454.516:3): operation="profile_replace" pid=516 name="/sbin/dhclient3"
Aug 13 02:14:16 hpjs-desktop kernel: [ 41.274548] type=1505 audit(1407910454.516:4): operation="profile_load" pid=516 name="/usr/lib/NetworkManager/nm-dhcp-client.action"
Aug 13 02:14:16 hpjs-desktop kernel: [ 41.275072] type=1505 audit(1407910454.516:5): operation="profile_load" pid=516 name="/usr/lib/connman/scripts/dhclient-script"
Aug 13 02:14:16 hpjs-desktop kernel: [ 42.203697] type=1505 audit(1407910455.447:6): operation="profile_replace" pid=533 name="/usr/lib/NetworkManager/nm-dhcp-client.action"
Aug 13 02:14:16 hpjs-desktop kernel: [ 42.204264] type=1505 audit(1407910455.448:7): operation="profile_replace" pid=533 name="/usr/lib/connman/scripts/dhclient-script"
Aug 13 02:14:16 hpjs-desktop kernel: [ 43.175228] type=1505 audit(1407910456.416:8): operation="profile_load" pid=627 name="/usr/share/gdm/guest-session/Xsession"
Aug 13 02:14:16 hpjs-desktop kernel: [ 43.194934] type=1505 audit(1407910456.436:9): operation="profile_replace" pid=629 name="/sbin/dhclient3"
Aug 13 02:14:16 hpjs-desktop kernel: [ 43.195875] type=1505 audit(1407910456.436:10): operation="profile_replace" pid=629 name="/usr/lib/NetworkManager/nm-dhcp-client.action"
Aug 13 02:14:16 hpjs-desktop kernel: [ 43.242447] type=1505 audit(1407910456.484:11): operation="profile_replace" pid=629 name="/usr/lib/connman/scripts/dhclient-script"
Aug 13 02:14:18 hpjs-desktop kernel: [ 45.288537] IBM TrackPoint firmware: 0x01, buttons: 0/0
Aug 13 02:14:18 hpjs-desktop kernel: [ 45.289856] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input3
Aug 13 02:14:19 hpjs-desktop kernel: [ 46.344868] ppdev: user-space parallel port driver
更新 ：
答案1
我无法评论，因此我将在这里回答。
udev: renamed network interface eth0 to eth2您的日志中的问题不就是这一行吗？请参见http://blog.giuseppeurso.net/udev-renamed-network-interface-eth-to-eth/或者http://tadek.pietraszek.org/blog/2008/03/04/wth-eth0-got-renamed-to-eth2-after-an-upgrade/了解一些解决方案的示例。